Home / 18,306,471-25,262,930.04-10,159,020.12

Finding the Fourth Proportional to 18,306,471, 25,262,930.04 and 10,159,020.12

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Solution

The fourth proportional to 18,306,471, 25,262,930.04 and 10,159,020.12 is: 14,019,447.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,306,471 : 25,262,930.04 = 10,159,020.12 : x
  2. Step 2: Convert to fraction form
    18,306,471/25,262,930.04 = 10,159,020.12/x
  3. Step 3: Cross multiply
    18,306,471x = 25,262,930.04 × 10,159,020.12
  4. Step 4: Simplify right side
    18,306,471x = 256,646,614,566,512.38
  5. Step 5: Solve for x
    x = 256,646,614,566,512.38/18,306,471
  6. Step 6: Final answer
    x = 14,019,447.80

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.