Home / 13,908,351.49-20,836,933.08-8,719,974.16

Finding the Fourth Proportional to 13,908,351.49, 20,836,933.08 and 8,719,974.16

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Solution

The fourth proportional to 13,908,351.49, 20,836,933.08 and 8,719,974.16 is: 13,063,914.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,908,351.49 : 20,836,933.08 = 8,719,974.16 : x
  2. Step 2: Convert to fraction form
    13,908,351.49/20,836,933.08 = 8,719,974.16/x
  3. Step 3: Cross multiply
    13,908,351.49x = 20,836,933.08 × 8,719,974.16
  4. Step 4: Simplify right side
    13,908,351.49x = 181,697,518,031,249.19
  5. Step 5: Solve for x
    x = 181,697,518,031,249.19/13,908,351.49
  6. Step 6: Final answer
    x = 13,063,914.74

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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.