Home / 15,925,955.78-21,977,490.56-8,861,392.24

Finding the Fourth Proportional to 15,925,955.78, 21,977,490.56 and 8,861,392.24

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Solution

The fourth proportional to 15,925,955.78, 21,977,490.56 and 8,861,392.24 is: 12,228,538.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,925,955.78 : 21,977,490.56 = 8,861,392.24 : x
  2. Step 2: Convert to fraction form
    15,925,955.78/21,977,490.56 = 8,861,392.24/x
  3. Step 3: Cross multiply
    15,925,955.78x = 21,977,490.56 × 8,861,392.24
  4. Step 4: Simplify right side
    15,925,955.78x = 194,751,164,286,222.19
  5. Step 5: Solve for x
    x = 194,751,164,286,222.19/15,925,955.78
  6. Step 6: Final answer
    x = 12,228,538.56

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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.