Home / 10,572,216.80-15,858,325.20-9,312,504.80

Finding the Fourth Proportional to 10,572,216.80, 15,858,325.20 and 9,312,504.80

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Solution

The fourth proportional to 10,572,216.80, 15,858,325.20 and 9,312,504.80 is: 13,968,757.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,572,216.80 : 15,858,325.20 = 9,312,504.80 : x
  2. Step 2: Convert to fraction form
    10,572,216.80/15,858,325.20 = 9,312,504.80/x
  3. Step 3: Cross multiply
    10,572,216.80x = 15,858,325.20 × 9,312,504.80
  4. Step 4: Simplify right side
    10,572,216.80x = 147,680,729,544,960.97
  5. Step 5: Solve for x
    x = 147,680,729,544,960.97/10,572,216.80
  6. Step 6: Final answer
    x = 13,968,757.20

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Double scale
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Similar ratio
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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.