Home / 12,481,812.30-18,722,718.45-5,763,348.30

Finding the Fourth Proportional to 12,481,812.30, 18,722,718.45 and 5,763,348.30

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Solution

The fourth proportional to 12,481,812.30, 18,722,718.45 and 5,763,348.30 is: 8,645,022.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,481,812.30 : 18,722,718.45 = 5,763,348.30 : x
  2. Step 2: Convert to fraction form
    12,481,812.30/18,722,718.45 = 5,763,348.30/x
  3. Step 3: Cross multiply
    12,481,812.30x = 18,722,718.45 × 5,763,348.30
  4. Step 4: Simplify right side
    12,481,812.30x = 107,905,547,550,186.12
  5. Step 5: Solve for x
    x = 107,905,547,550,186.12/12,481,812.30
  6. Step 6: Final answer
    x = 8,645,022.45

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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.