Home / 8,916,421.60-13,374,632.40-5,727,775.60

Finding the Fourth Proportional to 8,916,421.60, 13,374,632.40 and 5,727,775.60

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Solution

The fourth proportional to 8,916,421.60, 13,374,632.40 and 5,727,775.60 is: 8,591,663.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,916,421.60 : 13,374,632.40 = 5,727,775.60 : x
  2. Step 2: Convert to fraction form
    8,916,421.60/13,374,632.40 = 5,727,775.60/x
  3. Step 3: Cross multiply
    8,916,421.60x = 13,374,632.40 × 5,727,775.60
  4. Step 4: Simplify right side
    8,916,421.60x = 76,606,893,119,689.44
  5. Step 5: Solve for x
    x = 76,606,893,119,689.44/8,916,421.60
  6. Step 6: Final answer
    x = 8,591,663.40

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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.