Home / 12,766,915.20-19,152,122.40-4,246,363.20

Finding the Fourth Proportional to 12,766,915.20, 19,152,122.40 and 4,246,363.20

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Solution

The fourth proportional to 12,766,915.20, 19,152,122.40 and 4,246,363.20 is: 6,370,126.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,766,915.20 : 19,152,122.40 = 4,246,363.20 : x
  2. Step 2: Convert to fraction form
    12,766,915.20/19,152,122.40 = 4,246,363.20/x
  3. Step 3: Cross multiply
    12,766,915.20x = 19,152,122.40 × 4,246,363.20
  4. Step 4: Simplify right side
    12,766,915.20x = 81,326,867,761,255.67
  5. Step 5: Solve for x
    x = 81,326,867,761,255.67/12,766,915.20
  6. Step 6: Final answer
    x = 6,370,126.73

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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.