Home / 21,845,040.90-30,157,489.29-15,958,064.71

Finding the Fourth Proportional to 21,845,040.90, 30,157,489.29 and 15,958,064.71

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Solution

The fourth proportional to 21,845,040.90, 30,157,489.29 and 15,958,064.71 is: 22,030,408.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,845,040.90 : 30,157,489.29 = 15,958,064.71 : x
  2. Step 2: Convert to fraction form
    21,845,040.90/30,157,489.29 = 15,958,064.71/x
  3. Step 3: Cross multiply
    21,845,040.90x = 30,157,489.29 × 15,958,064.71
  4. Step 4: Simplify right side
    21,845,040.90x = 481,255,165,580,951.94
  5. Step 5: Solve for x
    x = 481,255,165,580,951.94/21,845,040.90
  6. Step 6: Final answer
    x = 22,030,408.08

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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.