Home / 7,180,773.40-9,909,451.74-3,917,591.20

Finding the Fourth Proportional to 7,180,773.40, 9,909,451.74 and 3,917,591.20

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Solution

The fourth proportional to 7,180,773.40, 9,909,451.74 and 3,917,591.20 is: 5,406,267.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,180,773.40 : 9,909,451.74 = 3,917,591.20 : x
  2. Step 2: Convert to fraction form
    7,180,773.40/9,909,451.74 = 3,917,591.20/x
  3. Step 3: Cross multiply
    7,180,773.40x = 9,909,451.74 × 3,917,591.20
  4. Step 4: Simplify right side
    7,180,773.40x = 38,821,180,933,448.69
  5. Step 5: Solve for x
    x = 38,821,180,933,448.69/7,180,773.40
  6. Step 6: Final answer
    x = 5,406,267.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.