Home / 8,303,781.40-12,455,672.10-5,593,432.30

Finding the Fourth Proportional to 8,303,781.40, 12,455,672.10 and 5,593,432.30

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Solution

The fourth proportional to 8,303,781.40, 12,455,672.10 and 5,593,432.30 is: 8,390,148.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,303,781.40 : 12,455,672.10 = 5,593,432.30 : x
  2. Step 2: Convert to fraction form
    8,303,781.40/12,455,672.10 = 5,593,432.30/x
  3. Step 3: Cross multiply
    8,303,781.40x = 12,455,672.10 × 5,593,432.30
  4. Step 4: Simplify right side
    8,303,781.40x = 69,669,958,642,348.83
  5. Step 5: Solve for x
    x = 69,669,958,642,348.83/8,303,781.40
  6. Step 6: Final answer
    x = 8,390,148.45

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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.