Home / 12,990,906.60-19,486,359.90-4,016,365.80

Finding the Fourth Proportional to 12,990,906.60, 19,486,359.90 and 4,016,365.80

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Solution

The fourth proportional to 12,990,906.60, 19,486,359.90 and 4,016,365.80 is: 6,024,548.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,990,906.60 : 19,486,359.90 = 4,016,365.80 : x
  2. Step 2: Convert to fraction form
    12,990,906.60/19,486,359.90 = 4,016,365.80/x
  3. Step 3: Cross multiply
    12,990,906.60x = 19,486,359.90 × 4,016,365.80
  4. Step 4: Simplify right side
    12,990,906.60x = 78,264,349,468,851.41
  5. Step 5: Solve for x
    x = 78,264,349,468,851.41/12,990,906.60
  6. Step 6: Final answer
    x = 6,024,548.70

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1.5x scale

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.