Home / 39,872,011-55,023,397.04-21,537,296.52

Finding the Fourth Proportional to 39,872,011, 55,023,397.04 and 21,537,296.52

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Solution

The fourth proportional to 39,872,011, 55,023,397.04 and 21,537,296.52 is: 29,721,481.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,872,011 : 55,023,397.04 = 21,537,296.52 : x
  2. Step 2: Convert to fraction form
    39,872,011/55,023,397.04 = 21,537,296.52/x
  3. Step 3: Cross multiply
    39,872,011x = 55,023,397.04 × 21,537,296.52
  4. Step 4: Simplify right side
    39,872,011x = 1,185,055,217,588,170.25
  5. Step 5: Solve for x
    x = 1,185,055,217,588,170.25/39,872,011
  6. Step 6: Final answer
    x = 29,721,481.01

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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.