Home / 38,749,736-53,476,294.56-21,580,328

Finding the Fourth Proportional to 38,749,736, 53,476,294.56 and 21,580,328

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Solution

The fourth proportional to 38,749,736, 53,476,294.56 and 21,580,328 is: 29,781,776.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,749,736 : 53,476,294.56 = 21,580,328 : x
  2. Step 2: Convert to fraction form
    38,749,736/53,476,294.56 = 21,580,328/x
  3. Step 3: Cross multiply
    38,749,736x = 53,476,294.56 × 21,580,328
  4. Step 4: Simplify right side
    38,749,736x = 1,154,035,976,829,415.75
  5. Step 5: Solve for x
    x = 1,154,035,976,829,415.75/38,749,736
  6. Step 6: Final answer
    x = 29,781,776.50

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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.