Home / 28,861,981.90-43,298,542.81-9,425,982.78

Finding the Fourth Proportional to 28,861,981.90, 43,298,542.81 and 9,425,982.78

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Solution

The fourth proportional to 28,861,981.90, 43,298,542.81 and 9,425,982.78 is: 14,140,793.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,861,981.90 : 43,298,542.81 = 9,425,982.78 : x
  2. Step 2: Convert to fraction form
    28,861,981.90/43,298,542.81 = 9,425,982.78/x
  3. Step 3: Cross multiply
    28,861,981.90x = 43,298,542.81 × 9,425,982.78
  4. Step 4: Simplify right side
    28,861,981.90x = 408,131,318,926,152.81
  5. Step 5: Solve for x
    x = 408,131,318,926,152.81/28,861,981.90
  6. Step 6: Final answer
    x = 14,140,793.25

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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.