Home / 38,845,671.43-53,607,031.82-21,442,019.93

Finding the Fourth Proportional to 38,845,671.43, 53,607,031.82 and 21,442,019.93

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Solution

The fourth proportional to 38,845,671.43, 53,607,031.82 and 21,442,019.93 is: 29,589,990.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,845,671.43 : 53,607,031.82 = 21,442,019.93 : x
  2. Step 2: Convert to fraction form
    38,845,671.43/53,607,031.82 = 21,442,019.93/x
  3. Step 3: Cross multiply
    38,845,671.43x = 53,607,031.82 × 21,442,019.93
  4. Step 4: Simplify right side
    38,845,671.43x = 1,149,443,044,672,584.25
  5. Step 5: Solve for x
    x = 1,149,443,044,672,584.25/38,845,671.43
  6. Step 6: Final answer
    x = 29,589,990.40

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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.