Home / 22,143,430.10-33,215,145.15-13,534,085.90

Finding the Fourth Proportional to 22,143,430.10, 33,215,145.15 and 13,534,085.90

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Solution

The fourth proportional to 22,143,430.10, 33,215,145.15 and 13,534,085.90 is: 20,301,128.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,143,430.10 : 33,215,145.15 = 13,534,085.90 : x
  2. Step 2: Convert to fraction form
    22,143,430.10/33,215,145.15 = 13,534,085.90/x
  3. Step 3: Cross multiply
    22,143,430.10x = 33,215,145.15 × 13,534,085.90
  4. Step 4: Simplify right side
    22,143,430.10x = 449,536,627,641,068.38
  5. Step 5: Solve for x
    x = 449,536,627,641,068.38/22,143,430.10
  6. Step 6: Final answer
    x = 20,301,128.85

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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.