Home / 7,729,489.80-11,594,234.70-2,680,800.30

Finding the Fourth Proportional to 7,729,489.80, 11,594,234.70 and 2,680,800.30

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Solution

The fourth proportional to 7,729,489.80, 11,594,234.70 and 2,680,800.30 is: 4,021,200.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,729,489.80 : 11,594,234.70 = 2,680,800.30 : x
  2. Step 2: Convert to fraction form
    7,729,489.80/11,594,234.70 = 2,680,800.30/x
  3. Step 3: Cross multiply
    7,729,489.80x = 11,594,234.70 × 2,680,800.30
  4. Step 4: Simplify right side
    7,729,489.80x = 31,081,827,862,030.41
  5. Step 5: Solve for x
    x = 31,081,827,862,030.41/7,729,489.80
  6. Step 6: Final answer
    x = 4,021,200.45

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Double scale
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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.