Home / 21,985,280.70-32,977,921.05-15,182,835.90

Finding the Fourth Proportional to 21,985,280.70, 32,977,921.05 and 15,182,835.90

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Solution

The fourth proportional to 21,985,280.70, 32,977,921.05 and 15,182,835.90 is: 22,774,253.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,985,280.70 : 32,977,921.05 = 15,182,835.90 : x
  2. Step 2: Convert to fraction form
    21,985,280.70/32,977,921.05 = 15,182,835.90/x
  3. Step 3: Cross multiply
    21,985,280.70x = 32,977,921.05 × 15,182,835.90
  4. Step 4: Simplify right side
    21,985,280.70x = 500,698,363,625,305.69
  5. Step 5: Solve for x
    x = 500,698,363,625,305.69/21,985,280.70
  6. Step 6: Final answer
    x = 22,774,253.85

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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.