Home / 12,826,389.60-19,240,245.90-3,241,851.12

Finding the Fourth Proportional to 12,826,389.60, 19,240,245.90 and 3,241,851.12

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Solution

The fourth proportional to 12,826,389.60, 19,240,245.90 and 3,241,851.12 is: 4,862,943.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,826,389.60 : 19,240,245.90 = 3,241,851.12 : x
  2. Step 2: Convert to fraction form
    12,826,389.60/19,240,245.90 = 3,241,851.12/x
  3. Step 3: Cross multiply
    12,826,389.60x = 19,240,245.90 × 3,241,851.12
  4. Step 4: Simplify right side
    12,826,389.60x = 62,374,012,719,990.41
  5. Step 5: Solve for x
    x = 62,374,012,719,990.41/12,826,389.60
  6. Step 6: Final answer
    x = 4,862,943.87

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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.