Home / 39,473,472.96-54,456,890.49-30,756,512.16

Finding the Fourth Proportional to 39,473,472.96, 54,456,890.49 and 30,756,512.16

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Solution

The fourth proportional to 39,473,472.96, 54,456,890.49 and 30,756,512.16 is: 42,431,128.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,473,472.96 : 54,456,890.49 = 30,756,512.16 : x
  2. Step 2: Convert to fraction form
    39,473,472.96/54,456,890.49 = 30,756,512.16/x
  3. Step 3: Cross multiply
    39,473,472.96x = 54,456,890.49 × 30,756,512.16
  4. Step 4: Simplify right side
    39,473,472.96x = 1,674,904,014,551,473.50
  5. Step 5: Solve for x
    x = 1,674,904,014,551,473.50/39,473,472.96
  6. Step 6: Final answer
    x = 42,431,128.78

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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.