Home / 18,426,208.64-27,643,356.47-5,647,674.56

Finding the Fourth Proportional to 18,426,208.64, 27,643,356.47 and 5,647,674.56

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Solution

The fourth proportional to 18,426,208.64, 27,643,356.47 and 5,647,674.56 is: 8,472,751.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,426,208.64 : 27,643,356.47 = 5,647,674.56 : x
  2. Step 2: Convert to fraction form
    18,426,208.64/27,643,356.47 = 5,647,674.56/x
  3. Step 3: Cross multiply
    18,426,208.64x = 27,643,356.47 × 5,647,674.56
  4. Step 4: Simplify right side
    18,426,208.64x = 156,120,680,964,532.81
  5. Step 5: Solve for x
    x = 156,120,680,964,532.81/18,426,208.64
  6. Step 6: Final answer
    x = 8,472,751.18

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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.