Home / 13,116,919.28-19,677,900.80-5,029,264.15

Finding the Fourth Proportional to 13,116,919.28, 19,677,900.80 and 5,029,264.15

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Solution

The fourth proportional to 13,116,919.28, 19,677,900.80 and 5,029,264.15 is: 7,544,863.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,116,919.28 : 19,677,900.80 = 5,029,264.15 : x
  2. Step 2: Convert to fraction form
    13,116,919.28/19,677,900.80 = 5,029,264.15/x
  3. Step 3: Cross multiply
    13,116,919.28x = 19,677,900.80 × 5,029,264.15
  4. Step 4: Simplify right side
    13,116,919.28x = 98,965,361,040,696.33
  5. Step 5: Solve for x
    x = 98,965,361,040,696.33/13,116,919.28
  6. Step 6: Final answer
    x = 7,544,863.16

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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.