Home / 8,748,097.20-13,122,145.80-5,152,013.10

Finding the Fourth Proportional to 8,748,097.20, 13,122,145.80 and 5,152,013.10

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Solution

The fourth proportional to 8,748,097.20, 13,122,145.80 and 5,152,013.10 is: 7,728,019.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,748,097.20 : 13,122,145.80 = 5,152,013.10 : x
  2. Step 2: Convert to fraction form
    8,748,097.20/13,122,145.80 = 5,152,013.10/x
  3. Step 3: Cross multiply
    8,748,097.20x = 13,122,145.80 × 5,152,013.10
  4. Step 4: Simplify right side
    8,748,097.20x = 67,605,467,061,709.98
  5. Step 5: Solve for x
    x = 67,605,467,061,709.98/8,748,097.20
  6. Step 6: Final answer
    x = 7,728,019.65

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Similar ratio
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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.