Home / 6,912,281.80-10,368,422.70-6,215,552.20

Finding the Fourth Proportional to 6,912,281.80, 10,368,422.70 and 6,215,552.20

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Solution

The fourth proportional to 6,912,281.80, 10,368,422.70 and 6,215,552.20 is: 9,323,328.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912,281.80 : 10,368,422.70 = 6,215,552.20 : x
  2. Step 2: Convert to fraction form
    6,912,281.80/10,368,422.70 = 6,215,552.20/x
  3. Step 3: Cross multiply
    6,912,281.80x = 10,368,422.70 × 6,215,552.20
  4. Step 4: Simplify right side
    6,912,281.80x = 64,445,472,523,514.94
  5. Step 5: Solve for x
    x = 64,445,472,523,514.94/6,912,281.80
  6. Step 6: Final answer
    x = 9,323,328.30

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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.