Home / 20,172,315.90-30,223,044.45-16,558,517.10

Finding the Fourth Proportional to 20,172,315.90, 30,223,044.45 and 16,558,517.10

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Solution

The fourth proportional to 20,172,315.90, 30,223,044.45 and 16,558,517.10 is: 24,808,693.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,172,315.90 : 30,223,044.45 = 16,558,517.10 : x
  2. Step 2: Convert to fraction form
    20,172,315.90/30,223,044.45 = 16,558,517.10/x
  3. Step 3: Cross multiply
    20,172,315.90x = 30,223,044.45 × 16,558,517.10
  4. Step 4: Simplify right side
    20,172,315.90x = 500,448,798,339,385.06
  5. Step 5: Solve for x
    x = 500,448,798,339,385.06/20,172,315.90
  6. Step 6: Final answer
    x = 24,808,693.30

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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.