Home / 12,025,040.70-18,037,561.05-9,155,259.30

Finding the Fourth Proportional to 12,025,040.70, 18,037,561.05 and 9,155,259.30

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Solution

The fourth proportional to 12,025,040.70, 18,037,561.05 and 9,155,259.30 is: 13,732,888.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,025,040.70 : 18,037,561.05 = 9,155,259.30 : x
  2. Step 2: Convert to fraction form
    12,025,040.70/18,037,561.05 = 9,155,259.30/x
  3. Step 3: Cross multiply
    12,025,040.70x = 18,037,561.05 × 9,155,259.30
  4. Step 4: Simplify right side
    12,025,040.70x = 165,138,548,552,330.28
  5. Step 5: Solve for x
    x = 165,138,548,552,330.28/12,025,040.70
  6. Step 6: Final answer
    x = 13,732,888.95

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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.