Home / 39,576,117.12-54,613,721.22-21,934,267.92

Finding the Fourth Proportional to 39,576,117.12, 54,613,721.22 and 21,934,267.92

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Solution

The fourth proportional to 39,576,117.12, 54,613,721.22 and 21,934,267.92 is: 30,268,557.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,576,117.12 : 54,613,721.22 = 21,934,267.92 : x
  2. Step 2: Convert to fraction form
    39,576,117.12/54,613,721.22 = 21,934,267.92/x
  3. Step 3: Cross multiply
    39,576,117.12x = 54,613,721.22 × 21,934,267.92
  4. Step 4: Simplify right side
    39,576,117.12x = 1,197,911,993,347,669.25
  5. Step 5: Solve for x
    x = 1,197,911,993,347,669.25/39,576,117.12
  6. Step 6: Final answer
    x = 30,268,557.92

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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.