Home / 39,142,306.94-54,016,509.35-21,738,651.65

Finding the Fourth Proportional to 39,142,306.94, 54,016,509.35 and 21,738,651.65

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Solution

The fourth proportional to 39,142,306.94, 54,016,509.35 and 21,738,651.65 is: 29,999,409.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,142,306.94 : 54,016,509.35 = 21,738,651.65 : x
  2. Step 2: Convert to fraction form
    39,142,306.94/54,016,509.35 = 21,738,651.65/x
  3. Step 3: Cross multiply
    39,142,306.94x = 54,016,509.35 × 21,738,651.65
  4. Step 4: Simplify right side
    39,142,306.94x = 1,174,246,080,298,005.75
  5. Step 5: Solve for x
    x = 1,174,246,080,298,005.75/39,142,306.94
  6. Step 6: Final answer
    x = 29,999,409.13

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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.