Home / 10,121,641.32-13,967,517.60-5,772,127.53

Finding the Fourth Proportional to 10,121,641.32, 13,967,517.60 and 5,772,127.53

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Solution

The fourth proportional to 10,121,641.32, 13,967,517.60 and 5,772,127.53 is: 7,965,337.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,121,641.32 : 13,967,517.60 = 5,772,127.53 : x
  2. Step 2: Convert to fraction form
    10,121,641.32/13,967,517.60 = 5,772,127.53/x
  3. Step 3: Cross multiply
    10,121,641.32x = 13,967,517.60 × 5,772,127.53
  4. Step 4: Simplify right side
    10,121,641.32x = 80,622,292,864,719.53
  5. Step 5: Solve for x
    x = 80,622,292,864,719.53/10,121,641.32
  6. Step 6: Final answer
    x = 7,965,337.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.