Home / 6,912,058.10-10,368,087.15-3,888,749.30

Finding the Fourth Proportional to 6,912,058.10, 10,368,087.15 and 3,888,749.30

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Solution

The fourth proportional to 6,912,058.10, 10,368,087.15 and 3,888,749.30 is: 5,833,123.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912,058.10 : 10,368,087.15 = 3,888,749.30 : x
  2. Step 2: Convert to fraction form
    6,912,058.10/10,368,087.15 = 3,888,749.30/x
  3. Step 3: Cross multiply
    6,912,058.10x = 10,368,087.15 × 3,888,749.30
  4. Step 4: Simplify right side
    6,912,058.10x = 40,318,891,646,901.49
  5. Step 5: Solve for x
    x = 40,318,891,646,901.49/6,912,058.10
  6. Step 6: Final answer
    x = 5,833,123.95

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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.