Home / 18,148,318.29-25,044,362.63-9,888,448.95

Finding the Fourth Proportional to 18,148,318.29, 25,044,362.63 and 9,888,448.95

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Solution

The fourth proportional to 18,148,318.29, 25,044,362.63 and 9,888,448.95 is: 13,645,887.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,148,318.29 : 25,044,362.63 = 9,888,448.95 : x
  2. Step 2: Convert to fraction form
    18,148,318.29/25,044,362.63 = 9,888,448.95/x
  3. Step 3: Cross multiply
    18,148,318.29x = 25,044,362.63 × 9,888,448.95
  4. Step 4: Simplify right side
    18,148,318.29x = 247,649,901,302,600.47
  5. Step 5: Solve for x
    x = 247,649,901,302,600.47/18,148,318.29
  6. Step 6: Final answer
    x = 13,645,887.04

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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.