Home / 12,168,587.52-18,270,824.64-6,787,751.04

Finding the Fourth Proportional to 12,168,587.52, 18,270,824.64 and 6,787,751.04

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Solution

The fourth proportional to 12,168,587.52, 18,270,824.64 and 6,787,751.04 is: 10,191,635.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,168,587.52 : 18,270,824.64 = 6,787,751.04 : x
  2. Step 2: Convert to fraction form
    12,168,587.52/18,270,824.64 = 6,787,751.04/x
  3. Step 3: Cross multiply
    12,168,587.52x = 18,270,824.64 × 6,787,751.04
  4. Step 4: Simplify right side
    12,168,587.52x = 124,017,808,951,817.62
  5. Step 5: Solve for x
    x = 124,017,808,951,817.62/12,168,587.52
  6. Step 6: Final answer
    x = 10,191,635.53

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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.