Home / 18,499,101.53-25,528,108.77-10,239,179.81

Finding the Fourth Proportional to 18,499,101.53, 25,528,108.77 and 10,239,179.81

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Solution

The fourth proportional to 18,499,101.53, 25,528,108.77 and 10,239,179.81 is: 14,129,707.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,499,101.53 : 25,528,108.77 = 10,239,179.81 : x
  2. Step 2: Convert to fraction form
    18,499,101.53/25,528,108.77 = 10,239,179.81/x
  3. Step 3: Cross multiply
    18,499,101.53x = 25,528,108.77 × 10,239,179.81
  4. Step 4: Simplify right side
    18,499,101.53x = 261,386,895,777,627.38
  5. Step 5: Solve for x
    x = 261,386,895,777,627.38/18,499,101.53
  6. Step 6: Final answer
    x = 14,129,707.62

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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.