Home / 11,121,327.20-16,681,990.80-6,847,637.60

Finding the Fourth Proportional to 11,121,327.20, 16,681,990.80 and 6,847,637.60

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Solution

The fourth proportional to 11,121,327.20, 16,681,990.80 and 6,847,637.60 is: 10,271,456.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,121,327.20 : 16,681,990.80 = 6,847,637.60 : x
  2. Step 2: Convert to fraction form
    11,121,327.20/16,681,990.80 = 6,847,637.60/x
  3. Step 3: Cross multiply
    11,121,327.20x = 16,681,990.80 × 6,847,637.60
  4. Step 4: Simplify right side
    11,121,327.20x = 114,232,227,444,934.08
  5. Step 5: Solve for x
    x = 114,232,227,444,934.08/11,121,327.20
  6. Step 6: Final answer
    x = 10,271,456.40

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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.