Home / 8,778,916.77-12,115,375.79-4,911,207.27

Finding the Fourth Proportional to 8,778,916.77, 12,115,375.79 and 4,911,207.27

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Solution

The fourth proportional to 8,778,916.77, 12,115,375.79 and 4,911,207.27 is: 6,777,729.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,778,916.77 : 12,115,375.79 = 4,911,207.27 : x
  2. Step 2: Convert to fraction form
    8,778,916.77/12,115,375.79 = 4,911,207.27/x
  3. Step 3: Cross multiply
    8,778,916.77x = 12,115,375.79 × 4,911,207.27
  4. Step 4: Simplify right side
    8,778,916.77x = 59,501,121,634,073.95
  5. Step 5: Solve for x
    x = 59,501,121,634,073.95/8,778,916.77
  6. Step 6: Final answer
    x = 6,777,729.33

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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.