Home / 14,485,492.38-19,991,717.43-8,687,463.90

Finding the Fourth Proportional to 14,485,492.38, 19,991,717.43 and 8,687,463.90

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Solution

The fourth proportional to 14,485,492.38, 19,991,717.43 and 8,687,463.90 is: 11,989,742.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,485,492.38 : 19,991,717.43 = 8,687,463.90 : x
  2. Step 2: Convert to fraction form
    14,485,492.38/19,991,717.43 = 8,687,463.90/x
  3. Step 3: Cross multiply
    14,485,492.38x = 19,991,717.43 × 8,687,463.90
  4. Step 4: Simplify right side
    14,485,492.38x = 173,677,323,472,125.78
  5. Step 5: Solve for x
    x = 173,677,323,472,125.78/14,485,492.38
  6. Step 6: Final answer
    x = 11,989,742.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.