Home / 12,888,952.83-17,782,401.15-7,306,600.50

Finding the Fourth Proportional to 12,888,952.83, 17,782,401.15 and 7,306,600.50

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Solution

The fourth proportional to 12,888,952.83, 17,782,401.15 and 7,306,600.50 is: 10,080,640.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,888,952.83 : 17,782,401.15 = 7,306,600.50 : x
  2. Step 2: Convert to fraction form
    12,888,952.83/17,782,401.15 = 7,306,600.50/x
  3. Step 3: Cross multiply
    12,888,952.83x = 17,782,401.15 × 7,306,600.50
  4. Step 4: Simplify right side
    12,888,952.83x = 129,928,901,133,790.56
  5. Step 5: Solve for x
    x = 129,928,901,133,790.56/12,888,952.83
  6. Step 6: Final answer
    x = 10,080,640.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.