Home / 6,912,612.70-10,368,919.05-6,240,766.30

Finding the Fourth Proportional to 6,912,612.70, 10,368,919.05 and 6,240,766.30

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Solution

The fourth proportional to 6,912,612.70, 10,368,919.05 and 6,240,766.30 is: 9,361,149.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912,612.70 : 10,368,919.05 = 6,240,766.30 : x
  2. Step 2: Convert to fraction form
    6,912,612.70/10,368,919.05 = 6,240,766.30/x
  3. Step 3: Cross multiply
    6,912,612.70x = 10,368,919.05 × 6,240,766.30
  4. Step 4: Simplify right side
    6,912,612.70x = 64,710,000,574,668.02
  5. Step 5: Solve for x
    x = 64,710,000,574,668.02/6,912,612.70
  6. Step 6: Final answer
    x = 9,361,149.45

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Double scale
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Similar ratio
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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.