Home / 12,018,857.28-18,046,295.88-10,404,604.65

Finding the Fourth Proportional to 12,018,857.28, 18,046,295.88 and 10,404,604.65

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Solution

The fourth proportional to 12,018,857.28, 18,046,295.88 and 10,404,604.65 is: 15,622,498.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,018,857.28 : 18,046,295.88 = 10,404,604.65 : x
  2. Step 2: Convert to fraction form
    12,018,857.28/18,046,295.88 = 10,404,604.65/x
  3. Step 3: Cross multiply
    12,018,857.28x = 18,046,295.88 × 10,404,604.65
  4. Step 4: Simplify right side
    12,018,857.28x = 187,764,574,028,323.84
  5. Step 5: Solve for x
    x = 187,764,574,028,323.84/12,018,857.28
  6. Step 6: Final answer
    x = 15,622,498.02

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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.