Home / 21,291,316.13-29,382,042.38-11,501,760.12

Finding the Fourth Proportional to 21,291,316.13, 29,382,042.38 and 11,501,760.12

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Solution

The fourth proportional to 21,291,316.13, 29,382,042.38 and 11,501,760.12 is: 15,872,443.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,291,316.13 : 29,382,042.38 = 11,501,760.12 : x
  2. Step 2: Convert to fraction form
    21,291,316.13/29,382,042.38 = 11,501,760.12/x
  3. Step 3: Cross multiply
    21,291,316.13x = 29,382,042.38 × 11,501,760.12
  4. Step 4: Simplify right side
    21,291,316.13x = 337,945,203,232,925.06
  5. Step 5: Solve for x
    x = 337,945,203,232,925.06/21,291,316.13
  6. Step 6: Final answer
    x = 15,872,443.08

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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.