Home / 21,306,378.16-31,964,302.10-9,940,626.64

Finding the Fourth Proportional to 21,306,378.16, 31,964,302.10 and 9,940,626.64

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Solution

The fourth proportional to 21,306,378.16, 31,964,302.10 and 9,940,626.64 is: 14,913,149.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,306,378.16 : 31,964,302.10 = 9,940,626.64 : x
  2. Step 2: Convert to fraction form
    21,306,378.16/31,964,302.10 = 9,940,626.64/x
  3. Step 3: Cross multiply
    21,306,378.16x = 31,964,302.10 × 9,940,626.64
  4. Step 4: Simplify right side
    21,306,378.16x = 317,745,192,984,268
  5. Step 5: Solve for x
    x = 317,745,192,984,268/21,306,378.16
  6. Step 6: Final answer
    x = 14,913,149.04

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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.