Home / 12,286,370.40-18,444,718.80-7,737,410.40

Finding the Fourth Proportional to 12,286,370.40, 18,444,718.80 and 7,737,410.40

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Solution

The fourth proportional to 12,286,370.40, 18,444,718.80 and 7,737,410.40 is: 11,615,664.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,286,370.40 : 18,444,718.80 = 7,737,410.40 : x
  2. Step 2: Convert to fraction form
    12,286,370.40/18,444,718.80 = 7,737,410.40/x
  3. Step 3: Cross multiply
    12,286,370.40x = 18,444,718.80 × 7,737,410.40
  4. Step 4: Simplify right side
    12,286,370.40x = 142,714,359,068,195.53
  5. Step 5: Solve for x
    x = 142,714,359,068,195.53/12,286,370.40
  6. Step 6: Final answer
    x = 11,615,664.71

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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.