Home / 21,258,149.04-29,337,179.06-11,966,318.69

Finding the Fourth Proportional to 21,258,149.04, 29,337,179.06 and 11,966,318.69

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Solution

The fourth proportional to 21,258,149.04, 29,337,179.06 and 11,966,318.69 is: 16,514,045.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,258,149.04 : 29,337,179.06 = 11,966,318.69 : x
  2. Step 2: Convert to fraction form
    21,258,149.04/29,337,179.06 = 11,966,318.69/x
  3. Step 3: Cross multiply
    21,258,149.04x = 29,337,179.06 × 11,966,318.69
  4. Step 4: Simplify right side
    21,258,149.04x = 351,058,033,980,784.56
  5. Step 5: Solve for x
    x = 351,058,033,980,784.56/21,258,149.04
  6. Step 6: Final answer
    x = 16,514,045.19

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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.