Home / 31,335,193.89-43,241,725.22-18,783,338.54

Finding the Fourth Proportional to 31,335,193.89, 43,241,725.22 and 18,783,338.54

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Solution

The fourth proportional to 31,335,193.89, 43,241,725.22 and 18,783,338.54 is: 25,920,502.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,335,193.89 : 43,241,725.22 = 18,783,338.54 : x
  2. Step 2: Convert to fraction form
    31,335,193.89/43,241,725.22 = 18,783,338.54/x
  3. Step 3: Cross multiply
    31,335,193.89x = 43,241,725.22 × 18,783,338.54
  4. Step 4: Simplify right side
    31,335,193.89x = 812,223,963,644,707.38
  5. Step 5: Solve for x
    x = 812,223,963,644,707.38/31,335,193.89
  6. Step 6: Final answer
    x = 25,920,502.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.