Home / 18,937,135.07-28,401,579.42-5,103,770.95

Finding the Fourth Proportional to 18,937,135.07, 28,401,579.42 and 5,103,770.95

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Solution

The fourth proportional to 18,937,135.07, 28,401,579.42 and 5,103,770.95 is: 7,654,545.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,937,135.07 : 28,401,579.42 = 5,103,770.95 : x
  2. Step 2: Convert to fraction form
    18,937,135.07/28,401,579.42 = 5,103,770.95/x
  3. Step 3: Cross multiply
    18,937,135.07x = 28,401,579.42 × 5,103,770.95
  4. Step 4: Simplify right side
    18,937,135.07x = 144,955,155,835,905.97
  5. Step 5: Solve for x
    x = 144,955,155,835,905.97/18,937,135.07
  6. Step 6: Final answer
    x = 7,654,545.17

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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.