Home / 7,427,999.30-11,141,998.95-6,400,546.70

Finding the Fourth Proportional to 7,427,999.30, 11,141,998.95 and 6,400,546.70

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Solution

The fourth proportional to 7,427,999.30, 11,141,998.95 and 6,400,546.70 is: 9,600,820.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,427,999.30 : 11,141,998.95 = 6,400,546.70 : x
  2. Step 2: Convert to fraction form
    7,427,999.30/11,141,998.95 = 6,400,546.70/x
  3. Step 3: Cross multiply
    7,427,999.30x = 11,141,998.95 × 6,400,546.70
  4. Step 4: Simplify right side
    7,427,999.30x = 71,314,884,610,825.97
  5. Step 5: Solve for x
    x = 71,314,884,610,825.97/7,427,999.30
  6. Step 6: Final answer
    x = 9,600,820.05

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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.