Home / 21,182,001.36-29,196,229-14,979,047.28

Finding the Fourth Proportional to 21,182,001.36, 29,196,229 and 14,979,047.28

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Solution

The fourth proportional to 21,182,001.36, 29,196,229 and 14,979,047.28 is: 20,646,382.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,182,001.36 : 29,196,229 = 14,979,047.28 : x
  2. Step 2: Convert to fraction form
    21,182,001.36/29,196,229 = 14,979,047.28/x
  3. Step 3: Cross multiply
    21,182,001.36x = 29,196,229 × 14,979,047.28
  4. Step 4: Simplify right side
    21,182,001.36x = 437,331,694,588,707.12
  5. Step 5: Solve for x
    x = 437,331,694,588,707.12/21,182,001.36
  6. Step 6: Final answer
    x = 20,646,382.14

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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.