Home / 18,385,542.73-25,371,739.43-10,126,374.13

Finding the Fourth Proportional to 18,385,542.73, 25,371,739.43 and 10,126,374.13

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Solution

The fourth proportional to 18,385,542.73, 25,371,739.43 and 10,126,374.13 is: 13,974,225.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,385,542.73 : 25,371,739.43 = 10,126,374.13 : x
  2. Step 2: Convert to fraction form
    18,385,542.73/25,371,739.43 = 10,126,374.13/x
  3. Step 3: Cross multiply
    18,385,542.73x = 25,371,739.43 × 10,126,374.13
  4. Step 4: Simplify right side
    18,385,542.73x = 256,923,725,746,421.09
  5. Step 5: Solve for x
    x = 256,923,725,746,421.09/18,385,542.73
  6. Step 6: Final answer
    x = 13,974,225.81

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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.