Home / 21,390,714-29,519,233.92-12,223,334.88

Finding the Fourth Proportional to 21,390,714, 29,519,233.92 and 12,223,334.88

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Solution

The fourth proportional to 21,390,714, 29,519,233.92 and 12,223,334.88 is: 16,868,229.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,390,714 : 29,519,233.92 = 12,223,334.88 : x
  2. Step 2: Convert to fraction form
    21,390,714/29,519,233.92 = 12,223,334.88/x
  3. Step 3: Cross multiply
    21,390,714x = 29,519,233.92 × 12,223,334.88
  4. Step 4: Simplify right side
    21,390,714x = 360,823,481,605,215.19
  5. Step 5: Solve for x
    x = 360,823,481,605,215.19/21,390,714
  6. Step 6: Final answer
    x = 16,868,229.91

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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.