Home / 27,960,340.10-38,565,393.22-18,663,222.68

Finding the Fourth Proportional to 27,960,340.10, 38,565,393.22 and 18,663,222.68

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Solution

The fourth proportional to 27,960,340.10, 38,565,393.22 and 18,663,222.68 is: 25,741,980.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,960,340.10 : 38,565,393.22 = 18,663,222.68 : x
  2. Step 2: Convert to fraction form
    27,960,340.10/38,565,393.22 = 18,663,222.68/x
  3. Step 3: Cross multiply
    27,960,340.10x = 38,565,393.22 × 18,663,222.68
  4. Step 4: Simplify right side
    27,960,340.10x = 719,754,521,406,622.25
  5. Step 5: Solve for x
    x = 719,754,521,406,622.25/27,960,340.10
  6. Step 6: Final answer
    x = 25,741,980.21

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Double scale
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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.