Home / 28,911,543.12-39,899,181-17,306,861.76

Finding the Fourth Proportional to 28,911,543.12, 39,899,181 and 17,306,861.76

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Solution

The fourth proportional to 28,911,543.12, 39,899,181 and 17,306,861.76 is: 23,884,218.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,911,543.12 : 39,899,181 = 17,306,861.76 : x
  2. Step 2: Convert to fraction form
    28,911,543.12/39,899,181 = 17,306,861.76/x
  3. Step 3: Cross multiply
    28,911,543.12x = 39,899,181 × 17,306,861.76
  4. Step 4: Simplify right side
    28,911,543.12x = 690,529,609,904,218.62
  5. Step 5: Solve for x
    x = 690,529,609,904,218.62/28,911,543.12
  6. Step 6: Final answer
    x = 23,884,218.39

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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.