Home / 12,241,905.40-18,347,111.70-7,444,502.20

Finding the Fourth Proportional to 12,241,905.40, 18,347,111.70 and 7,444,502.20

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Solution

The fourth proportional to 12,241,905.40, 18,347,111.70 and 7,444,502.20 is: 11,157,177.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,241,905.40 : 18,347,111.70 = 7,444,502.20 : x
  2. Step 2: Convert to fraction form
    12,241,905.40/18,347,111.70 = 7,444,502.20/x
  3. Step 3: Cross multiply
    12,241,905.40x = 18,347,111.70 × 7,444,502.20
  4. Step 4: Simplify right side
    12,241,905.40x = 136,585,113,414,295.73
  5. Step 5: Solve for x
    x = 136,585,113,414,295.73/12,241,905.40
  6. Step 6: Final answer
    x = 11,157,177.66

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1.5x scale

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.