Home / 12,990,926.40-19,489,154.40-4,016,385.60

Finding the Fourth Proportional to 12,990,926.40, 19,489,154.40 and 4,016,385.60

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Solution

The fourth proportional to 12,990,926.40, 19,489,154.40 and 4,016,385.60 is: 6,025,433.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,990,926.40 : 19,489,154.40 = 4,016,385.60 : x
  2. Step 2: Convert to fraction form
    12,990,926.40/19,489,154.40 = 4,016,385.60/x
  3. Step 3: Cross multiply
    12,990,926.40x = 19,489,154.40 × 4,016,385.60
  4. Step 4: Simplify right side
    12,990,926.40x = 78,275,959,088,336.64
  5. Step 5: Solve for x
    x = 78,275,959,088,336.64/12,990,926.40
  6. Step 6: Final answer
    x = 6,025,433.19

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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.