Home / 12,652,983.80-18,981,030.90-4,131,006.20

Finding the Fourth Proportional to 12,652,983.80, 18,981,030.90 and 4,131,006.20

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Solution

The fourth proportional to 12,652,983.80, 18,981,030.90 and 4,131,006.20 is: 6,197,017.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,652,983.80 : 18,981,030.90 = 4,131,006.20 : x
  2. Step 2: Convert to fraction form
    12,652,983.80/18,981,030.90 = 4,131,006.20/x
  3. Step 3: Cross multiply
    12,652,983.80x = 18,981,030.90 × 4,131,006.20
  4. Step 4: Simplify right side
    12,652,983.80x = 78,410,756,330,291.58
  5. Step 5: Solve for x
    x = 78,410,756,330,291.58/12,652,983.80
  6. Step 6: Final answer
    x = 6,197,017.05

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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.