Home / 13,563,785.49-18,718,046.19-7,368,856.53

Finding the Fourth Proportional to 13,563,785.49, 18,718,046.19 and 7,368,856.53

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Solution

The fourth proportional to 13,563,785.49, 18,718,046.19 and 7,368,856.53 is: 10,169,034.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,563,785.49 : 18,718,046.19 = 7,368,856.53 : x
  2. Step 2: Convert to fraction form
    13,563,785.49/18,718,046.19 = 7,368,856.53/x
  3. Step 3: Cross multiply
    13,563,785.49x = 18,718,046.19 × 7,368,856.53
  4. Step 4: Simplify right side
    13,563,785.49x = 137,930,596,896,023.14
  5. Step 5: Solve for x
    x = 137,930,596,896,023.14/13,563,785.49
  6. Step 6: Final answer
    x = 10,169,034.08

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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.