Home / 38,125,538.30-52,613,775.51-20,721,878.30

Finding the Fourth Proportional to 38,125,538.30, 52,613,775.51 and 20,721,878.30

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Solution

The fourth proportional to 38,125,538.30, 52,613,775.51 and 20,721,878.30 is: 28,596,481.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,125,538.30 : 52,613,775.51 = 20,721,878.30 : x
  2. Step 2: Convert to fraction form
    38,125,538.30/52,613,775.51 = 20,721,878.30/x
  3. Step 3: Cross multiply
    38,125,538.30x = 52,613,775.51 × 20,721,878.30
  4. Step 4: Simplify right side
    38,125,538.30x = 1,090,256,253,021,740.38
  5. Step 5: Solve for x
    x = 1,090,256,253,021,740.38/38,125,538.30
  6. Step 6: Final answer
    x = 28,596,481.56

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1.5x scale

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.