Home / 7,899,581.80-11,849,372.70-7,283,722.60

Finding the Fourth Proportional to 7,899,581.80, 11,849,372.70 and 7,283,722.60

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Solution

The fourth proportional to 7,899,581.80, 11,849,372.70 and 7,283,722.60 is: 10,925,583.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,899,581.80 : 11,849,372.70 = 7,283,722.60 : x
  2. Step 2: Convert to fraction form
    7,899,581.80/11,849,372.70 = 7,283,722.60/x
  3. Step 3: Cross multiply
    7,899,581.80x = 11,849,372.70 × 7,283,722.60
  4. Step 4: Simplify right side
    7,899,581.80x = 86,307,543,730,813.02
  5. Step 5: Solve for x
    x = 86,307,543,730,813.02/7,899,581.80
  6. Step 6: Final answer
    x = 10,925,583.90

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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.