Home / 8,189,683.20-12,285,446.40-2,509,862.40

Finding the Fourth Proportional to 8,189,683.20, 12,285,446.40 and 2,509,862.40

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Solution

The fourth proportional to 8,189,683.20, 12,285,446.40 and 2,509,862.40 is: 3,765,076.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,189,683.20 : 12,285,446.40 = 2,509,862.40 : x
  2. Step 2: Convert to fraction form
    8,189,683.20/12,285,446.40 = 2,509,862.40/x
  3. Step 3: Cross multiply
    8,189,683.20x = 12,285,446.40 × 2,509,862.40
  4. Step 4: Simplify right side
    8,189,683.20x = 30,834,779,986,575.36
  5. Step 5: Solve for x
    x = 30,834,779,986,575.36/8,189,683.20
  6. Step 6: Final answer
    x = 3,765,076.04

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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.