Home / 15,925,956.78-21,977,491.93-8,861,393.24

Finding the Fourth Proportional to 15,925,956.78, 21,977,491.93 and 8,861,393.24

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Solution

The fourth proportional to 15,925,956.78, 21,977,491.93 and 8,861,393.24 is: 12,228,539.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,925,956.78 : 21,977,491.93 = 8,861,393.24 : x
  2. Step 2: Convert to fraction form
    15,925,956.78/21,977,491.93 = 8,861,393.24/x
  3. Step 3: Cross multiply
    15,925,956.78x = 21,977,491.93 × 8,861,393.24
  4. Step 4: Simplify right side
    15,925,956.78x = 194,751,198,420,656.56
  5. Step 5: Solve for x
    x = 194,751,198,420,656.56/15,925,956.78
  6. Step 6: Final answer
    x = 12,228,539.93

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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.