Home / 6,912,002.70-10,368,004.05-5,208,885.90

Finding the Fourth Proportional to 6,912,002.70, 10,368,004.05 and 5,208,885.90

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Solution

The fourth proportional to 6,912,002.70, 10,368,004.05 and 5,208,885.90 is: 7,813,328.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912,002.70 : 10,368,004.05 = 5,208,885.90 : x
  2. Step 2: Convert to fraction form
    6,912,002.70/10,368,004.05 = 5,208,885.90/x
  3. Step 3: Cross multiply
    6,912,002.70x = 10,368,004.05 × 5,208,885.90
  4. Step 4: Simplify right side
    6,912,002.70x = 54,005,750,107,187.91
  5. Step 5: Solve for x
    x = 54,005,750,107,187.91/6,912,002.70
  6. Step 6: Final answer
    x = 7,813,328.85

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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.