Home / 18,934,244.40-28,382,704.20-9,341,770.80

Finding the Fourth Proportional to 18,934,244.40, 28,382,704.20 and 9,341,770.80

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Solution

The fourth proportional to 18,934,244.40, 28,382,704.20 and 9,341,770.80 is: 14,003,448.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,934,244.40 : 28,382,704.20 = 9,341,770.80 : x
  2. Step 2: Convert to fraction form
    18,934,244.40/28,382,704.20 = 9,341,770.80/x
  3. Step 3: Cross multiply
    18,934,244.40x = 28,382,704.20 × 9,341,770.80
  4. Step 4: Simplify right side
    18,934,244.40x = 265,144,717,320,597.38
  5. Step 5: Solve for x
    x = 265,144,717,320,597.38/18,934,244.40
  6. Step 6: Final answer
    x = 14,003,448.55

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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.