Home / 18,287,741.17-27,428,117.41-9,187,312.20

Finding the Fourth Proportional to 18,287,741.17, 27,428,117.41 and 9,187,312.20

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Solution

The fourth proportional to 18,287,741.17, 27,428,117.41 and 9,187,312.20 is: 13,779,212.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,287,741.17 : 27,428,117.41 = 9,187,312.20 : x
  2. Step 2: Convert to fraction form
    18,287,741.17/27,428,117.41 = 9,187,312.20/x
  3. Step 3: Cross multiply
    18,287,741.17x = 27,428,117.41 × 9,187,312.20
  4. Step 4: Simplify right side
    18,287,741.17x = 251,990,677,703,925.38
  5. Step 5: Solve for x
    x = 251,990,677,703,925.38/18,287,741.17
  6. Step 6: Final answer
    x = 13,779,212.83

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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.