Home / 17,428,817.60-26,087,326.80-9,321,521.12

Finding the Fourth Proportional to 17,428,817.60, 26,087,326.80 and 9,321,521.12

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Solution

The fourth proportional to 17,428,817.60, 26,087,326.80 and 9,321,521.12 is: 13,952,384.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,428,817.60 : 26,087,326.80 = 9,321,521.12 : x
  2. Step 2: Convert to fraction form
    17,428,817.60/26,087,326.80 = 9,321,521.12/x
  3. Step 3: Cross multiply
    17,428,817.60x = 26,087,326.80 × 9,321,521.12
  4. Step 4: Simplify right side
    17,428,817.60x = 243,173,567,730,542
  5. Step 5: Solve for x
    x = 243,173,567,730,542/17,428,817.60
  6. Step 6: Final answer
    x = 13,952,384.68

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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.