Home / 10,639,230.30-15,958,845.45-7,391,972.70

Finding the Fourth Proportional to 10,639,230.30, 15,958,845.45 and 7,391,972.70

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Solution

The fourth proportional to 10,639,230.30, 15,958,845.45 and 7,391,972.70 is: 11,087,959.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,639,230.30 : 15,958,845.45 = 7,391,972.70 : x
  2. Step 2: Convert to fraction form
    10,639,230.30/15,958,845.45 = 7,391,972.70/x
  3. Step 3: Cross multiply
    10,639,230.30x = 15,958,845.45 × 7,391,972.70
  4. Step 4: Simplify right side
    10,639,230.30x = 117,967,349,889,919.22
  5. Step 5: Solve for x
    x = 117,967,349,889,919.22/10,639,230.30
  6. Step 6: Final answer
    x = 11,087,959.05

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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.