Home / 15,290,631.82-21,096,319.18-8,674,130.62

Finding the Fourth Proportional to 15,290,631.82, 21,096,319.18 and 8,674,130.62

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Solution

The fourth proportional to 15,290,631.82, 21,096,319.18 and 8,674,130.62 is: 11,967,604.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,290,631.82 : 21,096,319.18 = 8,674,130.62 : x
  2. Step 2: Convert to fraction form
    15,290,631.82/21,096,319.18 = 8,674,130.62/x
  3. Step 3: Cross multiply
    15,290,631.82x = 21,096,319.18 × 8,674,130.62
  4. Step 4: Simplify right side
    15,290,631.82x = 182,992,228,168,531.28
  5. Step 5: Solve for x
    x = 182,992,228,168,531.28/15,290,631.82
  6. Step 6: Final answer
    x = 11,967,604.11

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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.