Home / 39,331,463.52-54,276,230.80-21,690,356.98

Finding the Fourth Proportional to 39,331,463.52, 54,276,230.80 and 21,690,356.98

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Solution

The fourth proportional to 39,331,463.52, 54,276,230.80 and 21,690,356.98 is: 29,932,037.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,331,463.52 : 54,276,230.80 = 21,690,356.98 : x
  2. Step 2: Convert to fraction form
    39,331,463.52/54,276,230.80 = 21,690,356.98/x
  3. Step 3: Cross multiply
    39,331,463.52x = 54,276,230.80 × 21,690,356.98
  4. Step 4: Simplify right side
    39,331,463.52x = 1,177,270,821,580,871
  5. Step 5: Solve for x
    x = 1,177,270,821,580,871/39,331,463.52
  6. Step 6: Final answer
    x = 29,932,037.01

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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.