Home / 27,559,912.40-41,339,868.60-8,390,517.20

Finding the Fourth Proportional to 27,559,912.40, 41,339,868.60 and 8,390,517.20

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Solution

The fourth proportional to 27,559,912.40, 41,339,868.60 and 8,390,517.20 is: 12,585,775.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,559,912.40 : 41,339,868.60 = 8,390,517.20 : x
  2. Step 2: Convert to fraction form
    27,559,912.40/41,339,868.60 = 8,390,517.20/x
  3. Step 3: Cross multiply
    27,559,912.40x = 41,339,868.60 × 8,390,517.20
  4. Step 4: Simplify right side
    27,559,912.40x = 346,862,878,534,039.88
  5. Step 5: Solve for x
    x = 346,862,878,534,039.88/27,559,912.40
  6. Step 6: Final answer
    x = 12,585,775.80

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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.