Home / 20,234,911.10-30,341,869.05-7,448,834.30

Finding the Fourth Proportional to 20,234,911.10, 30,341,869.05 and 7,448,834.30

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Solution

The fourth proportional to 20,234,911.10, 30,341,869.05 and 7,448,834.30 is: 11,169,387.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,234,911.10 : 30,341,869.05 = 7,448,834.30 : x
  2. Step 2: Convert to fraction form
    20,234,911.10/30,341,869.05 = 7,448,834.30/x
  3. Step 3: Cross multiply
    20,234,911.10x = 30,341,869.05 × 7,448,834.30
  4. Step 4: Simplify right side
    20,234,911.10x = 226,011,554,905,748.41
  5. Step 5: Solve for x
    x = 226,011,554,905,748.41/20,234,911.10
  6. Step 6: Final answer
    x = 11,169,387.09

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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.