Home / 7,042,367.80-10,571,424.90-5,451,981.40

Finding the Fourth Proportional to 7,042,367.80, 10,571,424.90 and 5,451,981.40

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Solution

The fourth proportional to 7,042,367.80, 10,571,424.90 and 5,451,981.40 is: 8,184,067.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,042,367.80 : 10,571,424.90 = 5,451,981.40 : x
  2. Step 2: Convert to fraction form
    7,042,367.80/10,571,424.90 = 5,451,981.40/x
  3. Step 3: Cross multiply
    7,042,367.80x = 10,571,424.90 × 5,451,981.40
  4. Step 4: Simplify right side
    7,042,367.80x = 57,635,211,926,296.87
  5. Step 5: Solve for x
    x = 57,635,211,926,296.87/7,042,367.80
  6. Step 6: Final answer
    x = 8,184,067.29

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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.