Home / 7,152,035.10-10,728,052.65-4,128,726.30

Finding the Fourth Proportional to 7,152,035.10, 10,728,052.65 and 4,128,726.30

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Solution

The fourth proportional to 7,152,035.10, 10,728,052.65 and 4,128,726.30 is: 6,193,089.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,152,035.10 : 10,728,052.65 = 4,128,726.30 : x
  2. Step 2: Convert to fraction form
    7,152,035.10/10,728,052.65 = 4,128,726.30/x
  3. Step 3: Cross multiply
    7,152,035.10x = 10,728,052.65 × 4,128,726.30
  4. Step 4: Simplify right side
    7,152,035.10x = 44,293,193,123,839.70
  5. Step 5: Solve for x
    x = 44,293,193,123,839.70/7,152,035.10
  6. Step 6: Final answer
    x = 6,193,089.45

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Double scale
Find fourth proportional to 7,152,036.10, 10,728,054.15 and 4,128,727.30
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.