Home / 7,987,045.43-11,991,200.05-5,402,033.97

Finding the Fourth Proportional to 7,987,045.43, 11,991,200.05 and 5,402,033.97

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Solution

The fourth proportional to 7,987,045.43, 11,991,200.05 and 5,402,033.97 is: 8,110,241.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,987,045.43 : 11,991,200.05 = 5,402,033.97 : x
  2. Step 2: Convert to fraction form
    7,987,045.43/11,991,200.05 = 5,402,033.97/x
  3. Step 3: Cross multiply
    7,987,045.43x = 11,991,200.05 × 5,402,033.97
  4. Step 4: Simplify right side
    7,987,045.43x = 64,776,870,011,165.70
  5. Step 5: Solve for x
    x = 64,776,870,011,165.70/7,987,045.43
  6. Step 6: Final answer
    x = 8,110,241.84

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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.