Home / 12,766,927.20-19,152,140.40-4,246,375.20

Finding the Fourth Proportional to 12,766,927.20, 19,152,140.40 and 4,246,375.20

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Solution

The fourth proportional to 12,766,927.20, 19,152,140.40 and 4,246,375.20 is: 6,370,144.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,766,927.20 : 19,152,140.40 = 4,246,375.20 : x
  2. Step 2: Convert to fraction form
    12,766,927.20/19,152,140.40 = 4,246,375.20/x
  3. Step 3: Cross multiply
    12,766,927.20x = 19,152,140.40 × 4,246,375.20
  4. Step 4: Simplify right side
    12,766,927.20x = 81,327,174,021,478.08
  5. Step 5: Solve for x
    x = 81,327,174,021,478.08/12,766,927.20
  6. Step 6: Final answer
    x = 6,370,144.73

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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.