Home / 12,585,751.80-18,862,298.10-5,839,812.60

Finding the Fourth Proportional to 12,585,751.80, 18,862,298.10 and 5,839,812.60

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Solution

The fourth proportional to 12,585,751.80, 18,862,298.10 and 5,839,812.60 is: 8,752,141.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,585,751.80 : 18,862,298.10 = 5,839,812.60 : x
  2. Step 2: Convert to fraction form
    12,585,751.80/18,862,298.10 = 5,839,812.60/x
  3. Step 3: Cross multiply
    12,585,751.80x = 18,862,298.10 × 5,839,812.60
  4. Step 4: Simplify right side
    12,585,751.80x = 110,152,286,109,336.06
  5. Step 5: Solve for x
    x = 110,152,286,109,336.06/12,585,751.80
  6. Step 6: Final answer
    x = 8,752,141.93

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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.