Home / 8,187,757.80-12,281,636.70-7,390,596.30

Finding the Fourth Proportional to 8,187,757.80, 12,281,636.70 and 7,390,596.30

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Solution

The fourth proportional to 8,187,757.80, 12,281,636.70 and 7,390,596.30 is: 11,085,894.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,187,757.80 : 12,281,636.70 = 7,390,596.30 : x
  2. Step 2: Convert to fraction form
    8,187,757.80/12,281,636.70 = 7,390,596.30/x
  3. Step 3: Cross multiply
    8,187,757.80x = 12,281,636.70 × 7,390,596.30
  4. Step 4: Simplify right side
    8,187,757.80x = 90,768,618,752,964.20
  5. Step 5: Solve for x
    x = 90,768,618,752,964.20/8,187,757.80
  6. Step 6: Final answer
    x = 11,085,894.45

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1.5x scale

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.