Home / 15,131,811.40-22,697,717.10-13,962,641.20

Finding the Fourth Proportional to 15,131,811.40, 22,697,717.10 and 13,962,641.20

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Solution

The fourth proportional to 15,131,811.40, 22,697,717.10 and 13,962,641.20 is: 20,943,961.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,131,811.40 : 22,697,717.10 = 13,962,641.20 : x
  2. Step 2: Convert to fraction form
    15,131,811.40/22,697,717.10 = 13,962,641.20/x
  3. Step 3: Cross multiply
    15,131,811.40x = 22,697,717.10 × 13,962,641.20
  4. Step 4: Simplify right side
    15,131,811.40x = 316,920,079,926,404.50
  5. Step 5: Solve for x
    x = 316,920,079,926,404.50/15,131,811.40
  6. Step 6: Final answer
    x = 20,943,961.80

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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.