Home / 18,367,430.40-27,561,643.20-7,016,025.60

Finding the Fourth Proportional to 18,367,430.40, 27,561,643.20 and 7,016,025.60

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Solution

The fourth proportional to 18,367,430.40, 27,561,643.20 and 7,016,025.60 is: 10,528,048.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,367,430.40 : 27,561,643.20 = 7,016,025.60 : x
  2. Step 2: Convert to fraction form
    18,367,430.40/27,561,643.20 = 7,016,025.60/x
  3. Step 3: Cross multiply
    18,367,430.40x = 27,561,643.20 × 7,016,025.60
  4. Step 4: Simplify right side
    18,367,430.40x = 193,373,194,269,265.91
  5. Step 5: Solve for x
    x = 193,373,194,269,265.91/18,367,430.40
  6. Step 6: Final answer
    x = 10,528,048.29

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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.