Home / 15,456,887.20-23,185,330.80-9,074,346.40

Finding the Fourth Proportional to 15,456,887.20, 23,185,330.80 and 9,074,346.40

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Solution

The fourth proportional to 15,456,887.20, 23,185,330.80 and 9,074,346.40 is: 13,611,519.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,456,887.20 : 23,185,330.80 = 9,074,346.40 : x
  2. Step 2: Convert to fraction form
    15,456,887.20/23,185,330.80 = 9,074,346.40/x
  3. Step 3: Cross multiply
    15,456,887.20x = 23,185,330.80 × 9,074,346.40
  4. Step 4: Simplify right side
    15,456,887.20x = 210,391,723,077,789.12
  5. Step 5: Solve for x
    x = 210,391,723,077,789.12/15,456,887.20
  6. Step 6: Final answer
    x = 13,611,519.60

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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.