Home / 12,990,915.60-19,486,373.40-4,016,374.80

Finding the Fourth Proportional to 12,990,915.60, 19,486,373.40 and 4,016,374.80

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Solution

The fourth proportional to 12,990,915.60, 19,486,373.40 and 4,016,374.80 is: 6,024,562.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,990,915.60 : 19,486,373.40 = 4,016,374.80 : x
  2. Step 2: Convert to fraction form
    12,990,915.60/19,486,373.40 = 4,016,374.80/x
  3. Step 3: Cross multiply
    12,990,915.60x = 19,486,373.40 × 4,016,374.80
  4. Step 4: Simplify right side
    12,990,915.60x = 78,264,579,067,150.31
  5. Step 5: Solve for x
    x = 78,264,579,067,150.31/12,990,915.60
  6. Step 6: Final answer
    x = 6,024,562.20

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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.