Home / 13,586,859.12-18,750,014.38-7,391,941.04

Finding the Fourth Proportional to 13,586,859.12, 18,750,014.38 and 7,391,941.04

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Solution

The fourth proportional to 13,586,859.12, 18,750,014.38 and 7,391,941.04 is: 10,200,959.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,586,859.12 : 18,750,014.38 = 7,391,941.04 : x
  2. Step 2: Convert to fraction form
    13,586,859.12/18,750,014.38 = 7,391,941.04/x
  3. Step 3: Cross multiply
    13,586,859.12x = 18,750,014.38 × 7,391,941.04
  4. Step 4: Simplify right side
    13,586,859.12x = 138,599,000,796,112.14
  5. Step 5: Solve for x
    x = 138,599,000,796,112.14/13,586,859.12
  6. Step 6: Final answer
    x = 10,200,959.59

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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.