Home / 9,180,919.60-13,771,897.80-2,791,380.40

Finding the Fourth Proportional to 9,180,919.60, 13,771,897.80 and 2,791,380.40

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Solution

The fourth proportional to 9,180,919.60, 13,771,897.80 and 2,791,380.40 is: 4,187,228.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,180,919.60 : 13,771,897.80 = 2,791,380.40 : x
  2. Step 2: Convert to fraction form
    9,180,919.60/13,771,897.80 = 2,791,380.40/x
  3. Step 3: Cross multiply
    9,180,919.60x = 13,771,897.80 × 2,791,380.40
  4. Step 4: Simplify right side
    9,180,919.60x = 38,442,605,589,723.12
  5. Step 5: Solve for x
    x = 38,442,605,589,723.12/9,180,919.60
  6. Step 6: Final answer
    x = 4,187,228.22

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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.