Home / 21,031,837.13-29,024,022.72-11,374,045.13

Finding the Fourth Proportional to 21,031,837.13, 29,024,022.72 and 11,374,045.13

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Solution

The fourth proportional to 21,031,837.13, 29,024,022.72 and 11,374,045.13 is: 15,696,229.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,031,837.13 : 29,024,022.72 = 11,374,045.13 : x
  2. Step 2: Convert to fraction form
    21,031,837.13/29,024,022.72 = 11,374,045.13/x
  3. Step 3: Cross multiply
    21,031,837.13x = 29,024,022.72 × 11,374,045.13
  4. Step 4: Simplify right side
    21,031,837.13x = 330,120,544,126,305.25
  5. Step 5: Solve for x
    x = 330,120,544,126,305.25/21,031,837.13
  6. Step 6: Final answer
    x = 15,696,229.59

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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.