Home / 8,264,782.17-12,376,555.25-5,222,971.35

Finding the Fourth Proportional to 8,264,782.17, 12,376,555.25 and 5,222,971.35

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Solution

The fourth proportional to 8,264,782.17, 12,376,555.25 and 5,222,971.35 is: 7,821,427.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,264,782.17 : 12,376,555.25 = 5,222,971.35 : x
  2. Step 2: Convert to fraction form
    8,264,782.17/12,376,555.25 = 5,222,971.35/x
  3. Step 3: Cross multiply
    8,264,782.17x = 12,376,555.25 × 5,222,971.35
  4. Step 4: Simplify right side
    8,264,782.17x = 64,642,393,456,327.22
  5. Step 5: Solve for x
    x = 64,642,393,456,327.22/8,264,782.17
  6. Step 6: Final answer
    x = 7,821,427.37

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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.