Home / 15,385,539.39-21,231,341.96-8,416,117.14

Finding the Fourth Proportional to 15,385,539.39, 21,231,341.96 and 8,416,117.14

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Solution

The fourth proportional to 15,385,539.39, 21,231,341.96 and 8,416,117.14 is: 11,613,857.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,385,539.39 : 21,231,341.96 = 8,416,117.14 : x
  2. Step 2: Convert to fraction form
    15,385,539.39/21,231,341.96 = 8,416,117.14/x
  3. Step 3: Cross multiply
    15,385,539.39x = 21,231,341.96 × 8,416,117.14
  4. Step 4: Simplify right side
    15,385,539.39x = 178,685,460,974,757.22
  5. Step 5: Solve for x
    x = 178,685,460,974,757.22/15,385,539.39
  6. Step 6: Final answer
    x = 11,613,857.43

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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.