Home / 25,513,349.76-38,285,962.20-10,367,276.40

Finding the Fourth Proportional to 25,513,349.76, 38,285,962.20 and 10,367,276.40

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Solution

The fourth proportional to 25,513,349.76, 38,285,962.20 and 10,367,276.40 is: 15,557,390.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,513,349.76 : 38,285,962.20 = 10,367,276.40 : x
  2. Step 2: Convert to fraction form
    25,513,349.76/38,285,962.20 = 10,367,276.40/x
  3. Step 3: Cross multiply
    25,513,349.76x = 38,285,962.20 × 10,367,276.40
  4. Step 4: Simplify right side
    25,513,349.76x = 396,921,152,367,352.12
  5. Step 5: Solve for x
    x = 396,921,152,367,352.12/25,513,349.76
  6. Step 6: Final answer
    x = 15,557,390.78

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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.