Home / 38,128,691.68-52,617,968.40-20,725,026.16

Finding the Fourth Proportional to 38,128,691.68, 52,617,968.40 and 20,725,026.16

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Solution

The fourth proportional to 38,128,691.68, 52,617,968.40 and 20,725,026.16 is: 28,600,739.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,128,691.68 : 52,617,968.40 = 20,725,026.16 : x
  2. Step 2: Convert to fraction form
    38,128,691.68/52,617,968.40 = 20,725,026.16/x
  3. Step 3: Cross multiply
    38,128,691.68x = 52,617,968.40 × 20,725,026.16
  4. Step 4: Simplify right side
    38,128,691.68x = 1,090,508,771,576,053.38
  5. Step 5: Solve for x
    x = 1,090,508,771,576,053.38/38,128,691.68
  6. Step 6: Final answer
    x = 28,600,739.33

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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.