Home / 10,931,767.20-16,407,565.20-5,544,165.60

Finding the Fourth Proportional to 10,931,767.20, 16,407,565.20 and 5,544,165.60

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Solution

The fourth proportional to 10,931,767.20, 16,407,565.20 and 5,544,165.60 is: 8,321,276.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,931,767.20 : 16,407,565.20 = 5,544,165.60 : x
  2. Step 2: Convert to fraction form
    10,931,767.20/16,407,565.20 = 5,544,165.60/x
  3. Step 3: Cross multiply
    10,931,767.20x = 16,407,565.20 × 5,544,165.60
  4. Step 4: Simplify right side
    10,931,767.20x = 90,966,258,561,597.11
  5. Step 5: Solve for x
    x = 90,966,258,561,597.11/10,931,767.20
  6. Step 6: Final answer
    x = 8,321,276.60

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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.