Home / 13,739,926.32-18,960,357.96-7,627,961.52

Finding the Fourth Proportional to 13,739,926.32, 18,960,357.96 and 7,627,961.52

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Solution

The fourth proportional to 13,739,926.32, 18,960,357.96 and 7,627,961.52 is: 10,526,175.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,739,926.32 : 18,960,357.96 = 7,627,961.52 : x
  2. Step 2: Convert to fraction form
    13,739,926.32/18,960,357.96 = 7,627,961.52/x
  3. Step 3: Cross multiply
    13,739,926.32x = 18,960,357.96 × 7,627,961.52
  4. Step 4: Simplify right side
    13,739,926.32x = 144,628,880,924,305.69
  5. Step 5: Solve for x
    x = 144,628,880,924,305.69/13,739,926.32
  6. Step 6: Final answer
    x = 10,526,175.87

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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.