Home / 30,156,777.92-45,227,693.41-8,591,566.40

Finding the Fourth Proportional to 30,156,777.92, 45,227,693.41 and 8,591,566.40

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Solution

The fourth proportional to 30,156,777.92, 45,227,693.41 and 8,591,566.40 is: 12,885,220.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,156,777.92 : 45,227,693.41 = 8,591,566.40 : x
  2. Step 2: Convert to fraction form
    30,156,777.92/45,227,693.41 = 8,591,566.40/x
  3. Step 3: Cross multiply
    30,156,777.92x = 45,227,693.41 × 8,591,566.40
  4. Step 4: Simplify right side
    30,156,777.92x = 388,576,731,251,417.75
  5. Step 5: Solve for x
    x = 388,576,731,251,417.75/30,156,777.92
  6. Step 6: Final answer
    x = 12,885,220.44

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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.