Home / 51,981,784.66-71,732,020.89-28,455,770.26

Finding the Fourth Proportional to 51,981,784.66, 71,732,020.89 and 28,455,770.26

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Solution

The fourth proportional to 51,981,784.66, 71,732,020.89 and 28,455,770.26 is: 39,267,407.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,981,784.66 : 71,732,020.89 = 28,455,770.26 : x
  2. Step 2: Convert to fraction form
    51,981,784.66/71,732,020.89 = 28,455,770.26/x
  3. Step 3: Cross multiply
    51,981,784.66x = 71,732,020.89 × 28,455,770.26
  4. Step 4: Simplify right side
    51,981,784.66x = 2,041,189,906,230,421.75
  5. Step 5: Solve for x
    x = 2,041,189,906,230,421.75/51,981,784.66
  6. Step 6: Final answer
    x = 39,267,407.22

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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.