Home / 28,231,547.60-42,291,334.20-16,838,152.40

Finding the Fourth Proportional to 28,231,547.60, 42,291,334.20 and 16,838,152.40

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Solution

The fourth proportional to 28,231,547.60, 42,291,334.20 and 16,838,152.40 is: 25,223,836.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,231,547.60 : 42,291,334.20 = 16,838,152.40 : x
  2. Step 2: Convert to fraction form
    28,231,547.60/42,291,334.20 = 16,838,152.40/x
  3. Step 3: Cross multiply
    28,231,547.60x = 42,291,334.20 × 16,838,152.40
  4. Step 4: Simplify right side
    28,231,547.60x = 712,107,930,458,932.12
  5. Step 5: Solve for x
    x = 712,107,930,458,932.12/28,231,547.60
  6. Step 6: Final answer
    x = 25,223,836.13

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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.