Home / 18,713,863.40-28,080,126.30-10,633,044.20

Finding the Fourth Proportional to 18,713,863.40, 28,080,126.30 and 10,633,044.20

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Solution

The fourth proportional to 18,713,863.40, 28,080,126.30 and 10,633,044.20 is: 15,954,868.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,713,863.40 : 28,080,126.30 = 10,633,044.20 : x
  2. Step 2: Convert to fraction form
    18,713,863.40/28,080,126.30 = 10,633,044.20/x
  3. Step 3: Cross multiply
    18,713,863.40x = 28,080,126.30 × 10,633,044.20
  4. Step 4: Simplify right side
    18,713,863.40x = 298,577,224,089,482.44
  5. Step 5: Solve for x
    x = 298,577,224,089,482.44/18,713,863.40
  6. Step 6: Final answer
    x = 15,954,868.20

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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.