Home / 15,359,539.22-21,195,758.12-8,483,873.66

Finding the Fourth Proportional to 15,359,539.22, 21,195,758.12 and 8,483,873.66

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Solution

The fourth proportional to 15,359,539.22, 21,195,758.12 and 8,483,873.66 is: 11,707,521.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,359,539.22 : 21,195,758.12 = 8,483,873.66 : x
  2. Step 2: Convert to fraction form
    15,359,539.22/21,195,758.12 = 8,483,873.66/x
  3. Step 3: Cross multiply
    15,359,539.22x = 21,195,758.12 × 8,483,873.66
  4. Step 4: Simplify right side
    15,359,539.22x = 179,822,134,017,999.12
  5. Step 5: Solve for x
    x = 179,822,134,017,999.12/15,359,539.22
  6. Step 6: Final answer
    x = 11,707,521.39

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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.