Home / 7,989,000.30-11,983,500.45-3,197,429.10

Finding the Fourth Proportional to 7,989,000.30, 11,983,500.45 and 3,197,429.10

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Solution

The fourth proportional to 7,989,000.30, 11,983,500.45 and 3,197,429.10 is: 4,796,143.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,989,000.30 : 11,983,500.45 = 3,197,429.10 : x
  2. Step 2: Convert to fraction form
    7,989,000.30/11,983,500.45 = 3,197,429.10/x
  3. Step 3: Cross multiply
    7,989,000.30x = 11,983,500.45 × 3,197,429.10
  4. Step 4: Simplify right side
    7,989,000.30x = 38,316,393,058,693.09
  5. Step 5: Solve for x
    x = 38,316,393,058,693.09/7,989,000.30
  6. Step 6: Final answer
    x = 4,796,143.65

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Double scale
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Similar ratio
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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.