Home / 18,655,388.46-27,983,082.69-7,287,865.47

Finding the Fourth Proportional to 18,655,388.46, 27,983,082.69 and 7,287,865.47

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Solution

The fourth proportional to 18,655,388.46, 27,983,082.69 and 7,287,865.47 is: 10,931,798.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,655,388.46 : 27,983,082.69 = 7,287,865.47 : x
  2. Step 2: Convert to fraction form
    18,655,388.46/27,983,082.69 = 7,287,865.47/x
  3. Step 3: Cross multiply
    18,655,388.46x = 27,983,082.69 × 7,287,865.47
  4. Step 4: Simplify right side
    18,655,388.46x = 203,936,942,080,605.72
  5. Step 5: Solve for x
    x = 203,936,942,080,605.72/18,655,388.46
  6. Step 6: Final answer
    x = 10,931,798.21

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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.