Home / 26,824,721.76-40,212,820.08-9,781,408.80

Finding the Fourth Proportional to 26,824,721.76, 40,212,820.08 and 9,781,408.80

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Solution

The fourth proportional to 26,824,721.76, 40,212,820.08 and 9,781,408.80 is: 14,663,266.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,824,721.76 : 40,212,820.08 = 9,781,408.80 : x
  2. Step 2: Convert to fraction form
    26,824,721.76/40,212,820.08 = 9,781,408.80/x
  3. Step 3: Cross multiply
    26,824,721.76x = 40,212,820.08 × 9,781,408.80
  4. Step 4: Simplify right side
    26,824,721.76x = 393,338,032,203,328.69
  5. Step 5: Solve for x
    x = 393,338,032,203,328.69/26,824,721.76
  6. Step 6: Final answer
    x = 14,663,266.06

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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.