Home / 10,752,309.40-16,128,464.10-5,377,538.20

Finding the Fourth Proportional to 10,752,309.40, 16,128,464.10 and 5,377,538.20

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Solution

The fourth proportional to 10,752,309.40, 16,128,464.10 and 5,377,538.20 is: 8,066,307.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,752,309.40 : 16,128,464.10 = 5,377,538.20 : x
  2. Step 2: Convert to fraction form
    10,752,309.40/16,128,464.10 = 5,377,538.20/x
  3. Step 3: Cross multiply
    10,752,309.40x = 16,128,464.10 × 5,377,538.20
  4. Step 4: Simplify right side
    10,752,309.40x = 86,731,431,805,078.62
  5. Step 5: Solve for x
    x = 86,731,431,805,078.62/10,752,309.40
  6. Step 6: Final answer
    x = 8,066,307.30

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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.