Home / 38,127,731.75-52,614,982.10-21,827,058.47

Finding the Fourth Proportional to 38,127,731.75, 52,614,982.10 and 21,827,058.47

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Solution

The fourth proportional to 38,127,731.75, 52,614,982.10 and 21,827,058.47 is: 30,120,603.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,127,731.75 : 52,614,982.10 = 21,827,058.47 : x
  2. Step 2: Convert to fraction form
    38,127,731.75/52,614,982.10 = 21,827,058.47/x
  3. Step 3: Cross multiply
    38,127,731.75x = 52,614,982.10 × 21,827,058.47
  4. Step 4: Simplify right side
    38,127,731.75x = 1,148,430,290,486,196
  5. Step 5: Solve for x
    x = 1,148,430,290,486,196/38,127,731.75
  6. Step 6: Final answer
    x = 30,120,603.51

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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.