Home / 14,257,030.20-21,338,306.10-13,123,289.40

Finding the Fourth Proportional to 14,257,030.20, 21,338,306.10 and 13,123,289.40

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Solution

The fourth proportional to 14,257,030.20, 21,338,306.10 and 13,123,289.40 is: 19,641,451.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,257,030.20 : 21,338,306.10 = 13,123,289.40 : x
  2. Step 2: Convert to fraction form
    14,257,030.20/21,338,306.10 = 13,123,289.40/x
  3. Step 3: Cross multiply
    14,257,030.20x = 21,338,306.10 × 13,123,289.40
  4. Step 4: Simplify right side
    14,257,030.20x = 280,028,766,256,085.38
  5. Step 5: Solve for x
    x = 280,028,766,256,085.38/14,257,030.20
  6. Step 6: Final answer
    x = 19,641,451.43

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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.