Home / 12,643,882.47-18,954,198.18-4,554,879.84

Finding the Fourth Proportional to 12,643,882.47, 18,954,198.18 and 4,554,879.84

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Solution

The fourth proportional to 12,643,882.47, 18,954,198.18 and 4,554,879.84 is: 6,828,131.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,643,882.47 : 18,954,198.18 = 4,554,879.84 : x
  2. Step 2: Convert to fraction form
    12,643,882.47/18,954,198.18 = 4,554,879.84/x
  3. Step 3: Cross multiply
    12,643,882.47x = 18,954,198.18 × 4,554,879.84
  4. Step 4: Simplify right side
    12,643,882.47x = 86,334,095,173,446.69
  5. Step 5: Solve for x
    x = 86,334,095,173,446.69/12,643,882.47
  6. Step 6: Final answer
    x = 6,828,131.74

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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.