Home / 7,767,029.40-11,650,544.10-5,079,643.80

Finding the Fourth Proportional to 7,767,029.40, 11,650,544.10 and 5,079,643.80

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Solution

The fourth proportional to 7,767,029.40, 11,650,544.10 and 5,079,643.80 is: 7,619,465.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,767,029.40 : 11,650,544.10 = 5,079,643.80 : x
  2. Step 2: Convert to fraction form
    7,767,029.40/11,650,544.10 = 5,079,643.80/x
  3. Step 3: Cross multiply
    7,767,029.40x = 11,650,544.10 × 5,079,643.80
  4. Step 4: Simplify right side
    7,767,029.40x = 59,180,614,104,191.58
  5. Step 5: Solve for x
    x = 59,180,614,104,191.58/7,767,029.40
  6. Step 6: Final answer
    x = 7,619,465.70

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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.