Home / 13,101,620.40-19,655,195.40-4,127,079.60

Finding the Fourth Proportional to 13,101,620.40, 19,655,195.40 and 4,127,079.60

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Solution

The fourth proportional to 13,101,620.40, 19,655,195.40 and 4,127,079.60 is: 6,191,490.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,101,620.40 : 19,655,195.40 = 4,127,079.60 : x
  2. Step 2: Convert to fraction form
    13,101,620.40/19,655,195.40 = 4,127,079.60/x
  3. Step 3: Cross multiply
    13,101,620.40x = 19,655,195.40 × 4,127,079.60
  4. Step 4: Simplify right side
    13,101,620.40x = 81,118,555,969,353.83
  5. Step 5: Solve for x
    x = 81,118,555,969,353.83/13,101,620.40
  6. Step 6: Final answer
    x = 6,191,490.33

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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.