Home / 15,551,011.20-23,326,516.80-5,449,987.20

Finding the Fourth Proportional to 15,551,011.20, 23,326,516.80 and 5,449,987.20

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Solution

The fourth proportional to 15,551,011.20, 23,326,516.80 and 5,449,987.20 is: 8,174,980.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,551,011.20 : 23,326,516.80 = 5,449,987.20 : x
  2. Step 2: Convert to fraction form
    15,551,011.20/23,326,516.80 = 5,449,987.20/x
  3. Step 3: Cross multiply
    15,551,011.20x = 23,326,516.80 × 5,449,987.20
  4. Step 4: Simplify right side
    15,551,011.20x = 127,129,217,980,584.97
  5. Step 5: Solve for x
    x = 127,129,217,980,584.97/15,551,011.20
  6. Step 6: Final answer
    x = 8,174,980.80

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Double scale
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Similar ratio
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1.5x scale

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.