Home / 12,687,340.80-19,031,011.20-6,310,048.80

Finding the Fourth Proportional to 12,687,340.80, 19,031,011.20 and 6,310,048.80

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Solution

The fourth proportional to 12,687,340.80, 19,031,011.20 and 6,310,048.80 is: 9,465,073.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,687,340.80 : 19,031,011.20 = 6,310,048.80 : x
  2. Step 2: Convert to fraction form
    12,687,340.80/19,031,011.20 = 6,310,048.80/x
  3. Step 3: Cross multiply
    12,687,340.80x = 19,031,011.20 × 6,310,048.80
  4. Step 4: Simplify right side
    12,687,340.80x = 120,086,609,385,346.55
  5. Step 5: Solve for x
    x = 120,086,609,385,346.55/12,687,340.80
  6. Step 6: Final answer
    x = 9,465,073.20

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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.