Home / 8,840,438.70-12,192,527.07-5,215,267.50

Finding the Fourth Proportional to 8,840,438.70, 12,192,527.07 and 5,215,267.50

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Solution

The fourth proportional to 8,840,438.70, 12,192,527.07 and 5,215,267.50 is: 7,192,775.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,840,438.70 : 12,192,527.07 = 5,215,267.50 : x
  2. Step 2: Convert to fraction form
    8,840,438.70/12,192,527.07 = 5,215,267.50/x
  3. Step 3: Cross multiply
    8,840,438.70x = 12,192,527.07 × 5,215,267.50
  4. Step 4: Simplify right side
    8,840,438.70x = 63,587,290,171,041.23
  5. Step 5: Solve for x
    x = 63,587,290,171,041.23/8,840,438.70
  6. Step 6: Final answer
    x = 7,192,775.42

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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.