Home / 18,693,849.30-28,048,647.15-10,180,295.70

Finding the Fourth Proportional to 18,693,849.30, 28,048,647.15 and 10,180,295.70

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Solution

The fourth proportional to 18,693,849.30, 28,048,647.15 and 10,180,295.70 is: 15,274,731.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,693,849.30 : 28,048,647.15 = 10,180,295.70 : x
  2. Step 2: Convert to fraction form
    18,693,849.30/28,048,647.15 = 10,180,295.70/x
  3. Step 3: Cross multiply
    18,693,849.30x = 28,048,647.15 × 10,180,295.70
  4. Step 4: Simplify right side
    18,693,849.30x = 285,543,521,971,962.25
  5. Step 5: Solve for x
    x = 285,543,521,971,962.25/18,693,849.30
  6. Step 6: Final answer
    x = 15,274,731.14

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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.