Home / 8,046,385.40-12,069,578.10-7,736,727.80

Finding the Fourth Proportional to 8,046,385.40, 12,069,578.10 and 7,736,727.80

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Solution

The fourth proportional to 8,046,385.40, 12,069,578.10 and 7,736,727.80 is: 11,605,091.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,046,385.40 : 12,069,578.10 = 7,736,727.80 : x
  2. Step 2: Convert to fraction form
    8,046,385.40/12,069,578.10 = 7,736,727.80/x
  3. Step 3: Cross multiply
    8,046,385.40x = 12,069,578.10 × 7,736,727.80
  4. Step 4: Simplify right side
    8,046,385.40x = 93,379,040,420,541.17
  5. Step 5: Solve for x
    x = 93,379,040,420,541.17/8,046,385.40
  6. Step 6: Final answer
    x = 11,605,091.70

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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.