Home / 18,924,856.86-28,387,285.29-5,972,320.28

Finding the Fourth Proportional to 18,924,856.86, 28,387,285.29 and 5,972,320.28

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Solution

The fourth proportional to 18,924,856.86, 28,387,285.29 and 5,972,320.28 is: 8,958,480.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,924,856.86 : 28,387,285.29 = 5,972,320.28 : x
  2. Step 2: Convert to fraction form
    18,924,856.86/28,387,285.29 = 5,972,320.28/x
  3. Step 3: Cross multiply
    18,924,856.86x = 28,387,285.29 × 5,972,320.28
  4. Step 4: Simplify right side
    18,924,856.86x = 169,537,959,489,676.25
  5. Step 5: Solve for x
    x = 169,537,959,489,676.25/18,924,856.86
  6. Step 6: Final answer
    x = 8,958,480.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.