Home / 8,748,019.70-13,122,029.55-7,472,561.30

Finding the Fourth Proportional to 8,748,019.70, 13,122,029.55 and 7,472,561.30

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Solution

The fourth proportional to 8,748,019.70, 13,122,029.55 and 7,472,561.30 is: 11,208,841.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,748,019.70 : 13,122,029.55 = 7,472,561.30 : x
  2. Step 2: Convert to fraction form
    8,748,019.70/13,122,029.55 = 7,472,561.30/x
  3. Step 3: Cross multiply
    8,748,019.70x = 13,122,029.55 × 7,472,561.30
  4. Step 4: Simplify right side
    8,748,019.70x = 98,055,170,192,786.42
  5. Step 5: Solve for x
    x = 98,055,170,192,786.42/8,748,019.70
  6. Step 6: Final answer
    x = 11,208,841.95

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Double scale
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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.