Home / 6,912,002.30-10,368,003.45-2,120,431.10

Finding the Fourth Proportional to 6,912,002.30, 10,368,003.45 and 2,120,431.10

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Solution

The fourth proportional to 6,912,002.30, 10,368,003.45 and 2,120,431.10 is: 3,180,646.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912,002.30 : 10,368,003.45 = 2,120,431.10 : x
  2. Step 2: Convert to fraction form
    6,912,002.30/10,368,003.45 = 2,120,431.10/x
  3. Step 3: Cross multiply
    6,912,002.30x = 10,368,003.45 × 2,120,431.10
  4. Step 4: Simplify right side
    6,912,002.30x = 21,984,636,960,287.29
  5. Step 5: Solve for x
    x = 21,984,636,960,287.29/6,912,002.30
  6. Step 6: Final answer
    x = 3,180,646.65

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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.