Home / 18,878,363.38-28,317,546.36-7,526,783.62

Finding the Fourth Proportional to 18,878,363.38, 28,317,546.36 and 7,526,783.62

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Solution

The fourth proportional to 18,878,363.38, 28,317,546.36 and 7,526,783.62 is: 11,290,175.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,878,363.38 : 28,317,546.36 = 7,526,783.62 : x
  2. Step 2: Convert to fraction form
    18,878,363.38/28,317,546.36 = 7,526,783.62/x
  3. Step 3: Cross multiply
    18,878,363.38x = 28,317,546.36 × 7,526,783.62
  4. Step 4: Simplify right side
    18,878,363.38x = 213,140,044,101,038.62
  5. Step 5: Solve for x
    x = 213,140,044,101,038.62/18,878,363.38
  6. Step 6: Final answer
    x = 11,290,175.94

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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.