Home / 18,288,976.50-25,241,547.12-11,676,390.64

Finding the Fourth Proportional to 18,288,976.50, 25,241,547.12 and 11,676,390.64

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Solution

The fourth proportional to 18,288,976.50, 25,241,547.12 and 11,676,390.64 is: 16,115,180.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,288,976.50 : 25,241,547.12 = 11,676,390.64 : x
  2. Step 2: Convert to fraction form
    18,288,976.50/25,241,547.12 = 11,676,390.64/x
  3. Step 3: Cross multiply
    18,288,976.50x = 25,241,547.12 × 11,676,390.64
  4. Step 4: Simplify right side
    18,288,976.50x = 294,730,164,531,087
  5. Step 5: Solve for x
    x = 294,730,164,531,087/18,288,976.50
  6. Step 6: Final answer
    x = 16,115,180.89

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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.