Home / 8,131,929.12-11,222,392.86-4,868,094.06

Finding the Fourth Proportional to 8,131,929.12, 11,222,392.86 and 4,868,094.06

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Solution

The fourth proportional to 8,131,929.12, 11,222,392.86 and 4,868,094.06 is: 6,718,167.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,131,929.12 : 11,222,392.86 = 4,868,094.06 : x
  2. Step 2: Convert to fraction form
    8,131,929.12/11,222,392.86 = 4,868,094.06/x
  3. Step 3: Cross multiply
    8,131,929.12x = 11,222,392.86 × 4,868,094.06
  4. Step 4: Simplify right side
    8,131,929.12x = 54,631,664,020,752.41
  5. Step 5: Solve for x
    x = 54,631,664,020,752.41/8,131,929.12
  6. Step 6: Final answer
    x = 6,718,167.76

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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.