Home / 10,487,028.60-15,703,970.85-8,361,264.60

Finding the Fourth Proportional to 10,487,028.60, 15,703,970.85 and 8,361,264.60

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Solution

The fourth proportional to 10,487,028.60, 15,703,970.85 and 8,361,264.60 is: 12,520,711.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,487,028.60 : 15,703,970.85 = 8,361,264.60 : x
  2. Step 2: Convert to fraction form
    10,487,028.60/15,703,970.85 = 8,361,264.60/x
  3. Step 3: Cross multiply
    10,487,028.60x = 15,703,970.85 × 8,361,264.60
  4. Step 4: Simplify right side
    10,487,028.60x = 131,305,055,547,536.91
  5. Step 5: Solve for x
    x = 131,305,055,547,536.91/10,487,028.60
  6. Step 6: Final answer
    x = 12,520,711.11

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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.