Home / 13,919,954.64-19,209,974.24-8,039,479.58

Finding the Fourth Proportional to 13,919,954.64, 19,209,974.24 and 8,039,479.58

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Solution

The fourth proportional to 13,919,954.64, 19,209,974.24 and 8,039,479.58 is: 11,094,734.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,919,954.64 : 19,209,974.24 = 8,039,479.58 : x
  2. Step 2: Convert to fraction form
    13,919,954.64/19,209,974.24 = 8,039,479.58/x
  3. Step 3: Cross multiply
    13,919,954.64x = 19,209,974.24 × 8,039,479.58
  4. Step 4: Simplify right side
    13,919,954.64x = 154,438,195,614,707.31
  5. Step 5: Solve for x
    x = 154,438,195,614,707.31/13,919,954.64
  6. Step 6: Final answer
    x = 11,094,734.12

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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.