Home / 51,776,493.80-71,453,079.09-28,256,542.79

Finding the Fourth Proportional to 51,776,493.80, 71,453,079.09 and 28,256,542.79

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Solution

The fourth proportional to 51,776,493.80, 71,453,079.09 and 28,256,542.79 is: 38,994,857.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,776,493.80 : 71,453,079.09 = 28,256,542.79 : x
  2. Step 2: Convert to fraction form
    51,776,493.80/71,453,079.09 = 28,256,542.79/x
  3. Step 3: Cross multiply
    51,776,493.80x = 71,453,079.09 × 28,256,542.79
  4. Step 4: Simplify right side
    51,776,493.80x = 2,019,016,986,426,574
  5. Step 5: Solve for x
    x = 2,019,016,986,426,574/51,776,493.80
  6. Step 6: Final answer
    x = 38,994,857.29

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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.