Home / 8,031,920.32-12,047,884.80-5,042,203.84

Finding the Fourth Proportional to 8,031,920.32, 12,047,884.80 and 5,042,203.84

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Solution

The fourth proportional to 8,031,920.32, 12,047,884.80 and 5,042,203.84 is: 7,563,308.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,031,920.32 : 12,047,884.80 = 5,042,203.84 : x
  2. Step 2: Convert to fraction form
    8,031,920.32/12,047,884.80 = 5,042,203.84/x
  3. Step 3: Cross multiply
    8,031,920.32x = 12,047,884.80 × 5,042,203.84
  4. Step 4: Simplify right side
    8,031,920.32x = 60,747,891,002,437.63
  5. Step 5: Solve for x
    x = 60,747,891,002,437.63/8,031,920.32
  6. Step 6: Final answer
    x = 7,563,308.47

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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.