Home / 15,413,853.29-21,271,110.12-9,218,899.89

Finding the Fourth Proportional to 15,413,853.29, 21,271,110.12 and 9,218,899.89

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Solution

The fourth proportional to 15,413,853.29, 21,271,110.12 and 9,218,899.89 is: 12,722,077.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,413,853.29 : 21,271,110.12 = 9,218,899.89 : x
  2. Step 2: Convert to fraction form
    15,413,853.29/21,271,110.12 = 9,218,899.89/x
  3. Step 3: Cross multiply
    15,413,853.29x = 21,271,110.12 × 9,218,899.89
  4. Step 4: Simplify right side
    15,413,853.29x = 196,096,234,745,445.91
  5. Step 5: Solve for x
    x = 196,096,234,745,445.91/15,413,853.29
  6. Step 6: Final answer
    x = 12,722,077.41

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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.