Home / 14,575,697.70-21,863,546.55-5,120,081.70

Finding the Fourth Proportional to 14,575,697.70, 21,863,546.55 and 5,120,081.70

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Solution

The fourth proportional to 14,575,697.70, 21,863,546.55 and 5,120,081.70 is: 7,680,122.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,575,697.70 : 21,863,546.55 = 5,120,081.70 : x
  2. Step 2: Convert to fraction form
    14,575,697.70/21,863,546.55 = 5,120,081.70/x
  3. Step 3: Cross multiply
    14,575,697.70x = 21,863,546.55 × 5,120,081.70
  4. Step 4: Simplify right side
    14,575,697.70x = 111,943,144,587,753.14
  5. Step 5: Solve for x
    x = 111,943,144,587,753.14/14,575,697.70
  6. Step 6: Final answer
    x = 7,680,122.55

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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.