Home / 18,862,912.20-28,294,368.30-6,084,708.60

Finding the Fourth Proportional to 18,862,912.20, 28,294,368.30 and 6,084,708.60

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Solution

The fourth proportional to 18,862,912.20, 28,294,368.30 and 6,084,708.60 is: 9,127,062.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,862,912.20 : 28,294,368.30 = 6,084,708.60 : x
  2. Step 2: Convert to fraction form
    18,862,912.20/28,294,368.30 = 6,084,708.60/x
  3. Step 3: Cross multiply
    18,862,912.20x = 28,294,368.30 × 6,084,708.60
  4. Step 4: Simplify right side
    18,862,912.20x = 172,162,986,126,577.38
  5. Step 5: Solve for x
    x = 172,162,986,126,577.38/18,862,912.20
  6. Step 6: Final answer
    x = 9,127,062.90

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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.