Home / 21,141,545.10-29,179,423.88-13,786,609.26

Finding the Fourth Proportional to 21,141,545.10, 29,179,423.88 and 13,786,609.26

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Solution

The fourth proportional to 21,141,545.10, 29,179,423.88 and 13,786,609.26 is: 19,028,188.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,141,545.10 : 29,179,423.88 = 13,786,609.26 : x
  2. Step 2: Convert to fraction form
    21,141,545.10/29,179,423.88 = 13,786,609.26/x
  3. Step 3: Cross multiply
    21,141,545.10x = 29,179,423.88 × 13,786,609.26
  4. Step 4: Simplify right side
    21,141,545.10x = 402,285,315,465,473.12
  5. Step 5: Solve for x
    x = 402,285,315,465,473.12/21,141,545.10
  6. Step 6: Final answer
    x = 19,028,188.98

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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.