Home / 8,466,638.40-12,690,626.40-4,682,836.80

Finding the Fourth Proportional to 8,466,638.40, 12,690,626.40 and 4,682,836.80

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Solution

The fourth proportional to 8,466,638.40, 12,690,626.40 and 4,682,836.80 is: 7,019,094.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,466,638.40 : 12,690,626.40 = 4,682,836.80 : x
  2. Step 2: Convert to fraction form
    8,466,638.40/12,690,626.40 = 4,682,836.80/x
  3. Step 3: Cross multiply
    8,466,638.40x = 12,690,626.40 × 4,682,836.80
  4. Step 4: Simplify right side
    8,466,638.40x = 59,428,132,320,971.52
  5. Step 5: Solve for x
    x = 59,428,132,320,971.52/8,466,638.40
  6. Step 6: Final answer
    x = 7,019,094.18

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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.