Home / 21,058,995.52-29,061,606.09-12,357,313.13

Finding the Fourth Proportional to 21,058,995.52, 29,061,606.09 and 12,357,313.13

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Solution

The fourth proportional to 21,058,995.52, 29,061,606.09 and 12,357,313.13 is: 17,053,204.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,058,995.52 : 29,061,606.09 = 12,357,313.13 : x
  2. Step 2: Convert to fraction form
    21,058,995.52/29,061,606.09 = 12,357,313.13/x
  3. Step 3: Cross multiply
    21,058,995.52x = 29,061,606.09 × 12,357,313.13
  4. Step 4: Simplify right side
    21,058,995.52x = 359,123,366,514,845
  5. Step 5: Solve for x
    x = 359,123,366,514,845/21,058,995.52
  6. Step 6: Final answer
    x = 17,053,204.95

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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.