Home / 21,011,002.59-28,995,627.24-11,843,642.91

Finding the Fourth Proportional to 21,011,002.59, 28,995,627.24 and 11,843,642.91

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Solution

The fourth proportional to 21,011,002.59, 28,995,627.24 and 11,843,642.91 is: 16,344,477.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,011,002.59 : 28,995,627.24 = 11,843,642.91 : x
  2. Step 2: Convert to fraction form
    21,011,002.59/28,995,627.24 = 11,843,642.91/x
  3. Step 3: Cross multiply
    21,011,002.59x = 28,995,627.24 × 11,843,642.91
  4. Step 4: Simplify right side
    21,011,002.59x = 343,413,854,982,028.88
  5. Step 5: Solve for x
    x = 343,413,854,982,028.88/21,011,002.59
  6. Step 6: Final answer
    x = 16,344,477.30

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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.