Home / 15,443,910.19-21,312,537.56-8,474,704.35

Finding the Fourth Proportional to 15,443,910.19, 21,312,537.56 and 8,474,704.35

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Solution

The fourth proportional to 15,443,910.19, 21,312,537.56 and 8,474,704.35 is: 11,695,059.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,443,910.19 : 21,312,537.56 = 8,474,704.35 : x
  2. Step 2: Convert to fraction form
    15,443,910.19/21,312,537.56 = 8,474,704.35/x
  3. Step 3: Cross multiply
    15,443,910.19x = 21,312,537.56 × 8,474,704.35
  4. Step 4: Simplify right side
    15,443,910.19x = 180,617,454,678,754.97
  5. Step 5: Solve for x
    x = 180,617,454,678,754.97/15,443,910.19
  6. Step 6: Final answer
    x = 11,695,059.89

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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.