Home / 30,272,023.90-45,408,035.85-15,889,534.30

Finding the Fourth Proportional to 30,272,023.90, 45,408,035.85 and 15,889,534.30

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Solution

The fourth proportional to 30,272,023.90, 45,408,035.85 and 15,889,534.30 is: 23,834,301.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,272,023.90 : 45,408,035.85 = 15,889,534.30 : x
  2. Step 2: Convert to fraction form
    30,272,023.90/45,408,035.85 = 15,889,534.30/x
  3. Step 3: Cross multiply
    30,272,023.90x = 45,408,035.85 × 15,889,534.30
  4. Step 4: Simplify right side
    30,272,023.90x = 721,512,543,134,204.75
  5. Step 5: Solve for x
    x = 721,512,543,134,204.75/30,272,023.90
  6. Step 6: Final answer
    x = 23,834,301.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.