Home / 14,578,170.42-20,117,755.56-7,962,763.10

Finding the Fourth Proportional to 14,578,170.42, 20,117,755.56 and 7,962,763.10

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Solution

The fourth proportional to 14,578,170.42, 20,117,755.56 and 7,962,763.10 is: 10,988,547.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,578,170.42 : 20,117,755.56 = 7,962,763.10 : x
  2. Step 2: Convert to fraction form
    14,578,170.42/20,117,755.56 = 7,962,763.10/x
  3. Step 3: Cross multiply
    14,578,170.42x = 20,117,755.56 × 7,962,763.10
  4. Step 4: Simplify right side
    14,578,170.42x = 160,192,921,527,399.03
  5. Step 5: Solve for x
    x = 160,192,921,527,399.03/14,578,170.42
  6. Step 6: Final answer
    x = 10,988,547.73

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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.