Home / 12,096,811.20-18,124,221.60-7,834,785.60

Finding the Fourth Proportional to 12,096,811.20, 18,124,221.60 and 7,834,785.60

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Solution

The fourth proportional to 12,096,811.20, 18,124,221.60 and 7,834,785.60 is: 11,738,580.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096,811.20 : 18,124,221.60 = 7,834,785.60 : x
  2. Step 2: Convert to fraction form
    12,096,811.20/18,124,221.60 = 7,834,785.60/x
  3. Step 3: Cross multiply
    12,096,811.20x = 18,124,221.60 × 7,834,785.60
  4. Step 4: Simplify right side
    12,096,811.20x = 141,999,390,402,888.97
  5. Step 5: Solve for x
    x = 141,999,390,402,888.97/12,096,811.20
  6. Step 6: Final answer
    x = 11,738,580.36

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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.