Home / 32,890,536-45,388,389.76-18,205,887.20

Finding the Fourth Proportional to 32,890,536, 45,388,389.76 and 18,205,887.20

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Solution

The fourth proportional to 32,890,536, 45,388,389.76 and 18,205,887.20 is: 25,123,819.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,890,536 : 45,388,389.76 = 18,205,887.20 : x
  2. Step 2: Convert to fraction form
    32,890,536/45,388,389.76 = 18,205,887.20/x
  3. Step 3: Cross multiply
    32,890,536x = 45,388,389.76 × 18,205,887.20
  4. Step 4: Simplify right side
    32,890,536x = 826,335,904,160,195
  5. Step 5: Solve for x
    x = 826,335,904,160,195/32,890,536
  6. Step 6: Final answer
    x = 25,123,819.94

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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.