Home / 18,484,477.60-27,652,066.80-15,987,863.20

Finding the Fourth Proportional to 18,484,477.60, 27,652,066.80 and 15,987,863.20

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Solution

The fourth proportional to 18,484,477.60, 27,652,066.80 and 15,987,863.20 is: 23,917,227.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,484,477.60 : 27,652,066.80 = 15,987,863.20 : x
  2. Step 2: Convert to fraction form
    18,484,477.60/27,652,066.80 = 15,987,863.20/x
  3. Step 3: Cross multiply
    18,484,477.60x = 27,652,066.80 × 15,987,863.20
  4. Step 4: Simplify right side
    18,484,477.60x = 442,097,461,195,661.75
  5. Step 5: Solve for x
    x = 442,097,461,195,661.75/18,484,477.60
  6. Step 6: Final answer
    x = 23,917,227.78

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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.