Home / 19,100,821.20-28,588,246.20-13,432,117.20

Finding the Fourth Proportional to 19,100,821.20, 28,588,246.20 and 13,432,117.20

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Solution

The fourth proportional to 19,100,821.20, 28,588,246.20 and 13,432,117.20 is: 20,103,882.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,100,821.20 : 28,588,246.20 = 13,432,117.20 : x
  2. Step 2: Convert to fraction form
    19,100,821.20/28,588,246.20 = 13,432,117.20/x
  3. Step 3: Cross multiply
    19,100,821.20x = 28,588,246.20 × 13,432,117.20
  4. Step 4: Simplify right side
    19,100,821.20x = 384,000,673,500,854.62
  5. Step 5: Solve for x
    x = 384,000,673,500,854.62/19,100,821.20
  6. Step 6: Final answer
    x = 20,103,882.94

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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.