Home / 15,247,453.60-21,042,590.16-10,081,856.80

Finding the Fourth Proportional to 15,247,453.60, 21,042,590.16 and 10,081,856.80

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Solution

The fourth proportional to 15,247,453.60, 21,042,590.16 and 10,081,856.80 is: 13,913,692.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,247,453.60 : 21,042,590.16 = 10,081,856.80 : x
  2. Step 2: Convert to fraction form
    15,247,453.60/21,042,590.16 = 10,081,856.80/x
  3. Step 3: Cross multiply
    15,247,453.60x = 21,042,590.16 × 10,081,856.80
  4. Step 4: Simplify right side
    15,247,453.60x = 212,148,380,694,209.09
  5. Step 5: Solve for x
    x = 212,148,380,694,209.09/15,247,453.60
  6. Step 6: Final answer
    x = 13,913,692.49

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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.