Home / 38,042,802.87-57,073,499.10-12,135,108.69

Finding the Fourth Proportional to 38,042,802.87, 57,073,499.10 and 12,135,108.69

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Solution

The fourth proportional to 38,042,802.87, 57,073,499.10 and 12,135,108.69 is: 18,205,627.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,042,802.87 : 57,073,499.10 = 12,135,108.69 : x
  2. Step 2: Convert to fraction form
    38,042,802.87/57,073,499.10 = 12,135,108.69/x
  3. Step 3: Cross multiply
    38,042,802.87x = 57,073,499.10 × 12,135,108.69
  4. Step 4: Simplify right side
    38,042,802.87x = 692,593,114,897,117.12
  5. Step 5: Solve for x
    x = 692,593,114,897,117.12/38,042,802.87
  6. Step 6: Final answer
    x = 18,205,627.94

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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.