Home / 15,131,821.40-22,697,732.10-13,962,651.20

Finding the Fourth Proportional to 15,131,821.40, 22,697,732.10 and 13,962,651.20

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Solution

The fourth proportional to 15,131,821.40, 22,697,732.10 and 13,962,651.20 is: 20,943,976.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,131,821.40 : 22,697,732.10 = 13,962,651.20 : x
  2. Step 2: Convert to fraction form
    15,131,821.40/22,697,732.10 = 13,962,651.20/x
  3. Step 3: Cross multiply
    15,131,821.40x = 22,697,732.10 × 13,962,651.20
  4. Step 4: Simplify right side
    15,131,821.40x = 316,920,516,343,343.50
  5. Step 5: Solve for x
    x = 316,920,516,343,343.50/15,131,821.40
  6. Step 6: Final answer
    x = 20,943,976.80

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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.