Home / 38,125,536.30-52,613,772.75-20,721,876.30

Finding the Fourth Proportional to 38,125,536.30, 52,613,772.75 and 20,721,876.30

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Solution

The fourth proportional to 38,125,536.30, 52,613,772.75 and 20,721,876.30 is: 28,596,478.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,125,536.30 : 52,613,772.75 = 20,721,876.30 : x
  2. Step 2: Convert to fraction form
    38,125,536.30/52,613,772.75 = 20,721,876.30/x
  3. Step 3: Cross multiply
    38,125,536.30x = 52,613,772.75 × 20,721,876.30
  4. Step 4: Simplify right side
    38,125,536.30x = 1,090,256,090,601,810.88
  5. Step 5: Solve for x
    x = 1,090,256,090,601,810.88/38,125,536.30
  6. Step 6: Final answer
    x = 28,596,478.80

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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.