Home / 28,182,857.20-38,891,683.92-16,581,167.26

Finding the Fourth Proportional to 28,182,857.20, 38,891,683.92 and 16,581,167.26

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Solution

The fourth proportional to 28,182,857.20, 38,891,683.92 and 16,581,167.26 is: 22,881,623.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,182,857.20 : 38,891,683.92 = 16,581,167.26 : x
  2. Step 2: Convert to fraction form
    28,182,857.20/38,891,683.92 = 16,581,167.26/x
  3. Step 3: Cross multiply
    28,182,857.20x = 38,891,683.92 × 16,581,167.26
  4. Step 4: Simplify right side
    28,182,857.20x = 644,869,516,100,572.50
  5. Step 5: Solve for x
    x = 644,869,516,100,572.50/28,182,857.20
  6. Step 6: Final answer
    x = 22,881,623.09

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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.