Home / 28,677,695.40-43,016,543.10-8,481,138.60

Finding the Fourth Proportional to 28,677,695.40, 43,016,543.10 and 8,481,138.60

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Solution

The fourth proportional to 28,677,695.40, 43,016,543.10 and 8,481,138.60 is: 12,721,707.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,677,695.40 : 43,016,543.10 = 8,481,138.60 : x
  2. Step 2: Convert to fraction form
    28,677,695.40/43,016,543.10 = 8,481,138.60/x
  3. Step 3: Cross multiply
    28,677,695.40x = 43,016,543.10 × 8,481,138.60
  4. Step 4: Simplify right side
    28,677,695.40x = 364,829,264,123,973.69
  5. Step 5: Solve for x
    x = 364,829,264,123,973.69/28,677,695.40
  6. Step 6: Final answer
    x = 12,721,707.90

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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.