Home / 17,808,155.71-26,716,839.02-10,428,435.61

Finding the Fourth Proportional to 17,808,155.71, 26,716,839.02 and 10,428,435.61

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Solution

The fourth proportional to 17,808,155.71, 26,716,839.02 and 10,428,435.61 is: 15,645,350.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,808,155.71 : 26,716,839.02 = 10,428,435.61 : x
  2. Step 2: Convert to fraction form
    17,808,155.71/26,716,839.02 = 10,428,435.61/x
  3. Step 3: Cross multiply
    17,808,155.71x = 26,716,839.02 × 10,428,435.61
  4. Step 4: Simplify right side
    17,808,155.71x = 278,614,835,342,977.88
  5. Step 5: Solve for x
    x = 278,614,835,342,977.88/17,808,155.71
  6. Step 6: Final answer
    x = 15,645,350.36

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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.