Home / 15,262,044.32-21,040,575.68-12,175,045.12

Finding the Fourth Proportional to 15,262,044.32, 21,040,575.68 and 12,175,045.12

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Solution

The fourth proportional to 15,262,044.32, 21,040,575.68 and 12,175,045.12 is: 16,784,773.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,262,044.32 : 21,040,575.68 = 12,175,045.12 : x
  2. Step 2: Convert to fraction form
    15,262,044.32/21,040,575.68 = 12,175,045.12/x
  3. Step 3: Cross multiply
    15,262,044.32x = 21,040,575.68 × 12,175,045.12
  4. Step 4: Simplify right side
    15,262,044.32x = 256,169,958,254,774.66
  5. Step 5: Solve for x
    x = 256,169,958,254,774.66/15,262,044.32
  6. Step 6: Final answer
    x = 16,784,773.58

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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.