Home / 15,433,491.46-21,294,768.31-8,815,964.60

Finding the Fourth Proportional to 15,433,491.46, 21,294,768.31 and 8,815,964.60

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Solution

The fourth proportional to 15,433,491.46, 21,294,768.31 and 8,815,964.60 is: 12,164,060.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,433,491.46 : 21,294,768.31 = 8,815,964.60 : x
  2. Step 2: Convert to fraction form
    15,433,491.46/21,294,768.31 = 8,815,964.60/x
  3. Step 3: Cross multiply
    15,433,491.46x = 21,294,768.31 × 8,815,964.60
  4. Step 4: Simplify right side
    15,433,491.46x = 187,733,923,586,161.81
  5. Step 5: Solve for x
    x = 187,733,923,586,161.81/15,433,491.46
  6. Step 6: Final answer
    x = 12,164,060.48

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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.