Home / 8,292,990.78-11,445,256.80-4,622,242.50

Finding the Fourth Proportional to 8,292,990.78, 11,445,256.80 and 4,622,242.50

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Solution

The fourth proportional to 8,292,990.78, 11,445,256.80 and 4,622,242.50 is: 6,379,212.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,292,990.78 : 11,445,256.80 = 4,622,242.50 : x
  2. Step 2: Convert to fraction form
    8,292,990.78/11,445,256.80 = 4,622,242.50/x
  3. Step 3: Cross multiply
    8,292,990.78x = 11,445,256.80 × 4,622,242.50
  4. Step 4: Simplify right side
    8,292,990.78x = 52,902,752,404,374
  5. Step 5: Solve for x
    x = 52,902,752,404,374/8,292,990.78
  6. Step 6: Final answer
    x = 6,379,212.74

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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.