Home / 15,332,762.34-21,158,841.33-8,457,096.78

Finding the Fourth Proportional to 15,332,762.34, 21,158,841.33 and 8,457,096.78

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Solution

The fourth proportional to 15,332,762.34, 21,158,841.33 and 8,457,096.78 is: 11,670,589.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,332,762.34 : 21,158,841.33 = 8,457,096.78 : x
  2. Step 2: Convert to fraction form
    15,332,762.34/21,158,841.33 = 8,457,096.78/x
  3. Step 3: Cross multiply
    15,332,762.34x = 21,158,841.33 × 8,457,096.78
  4. Step 4: Simplify right side
    15,332,762.34x = 178,942,368,880,473.88
  5. Step 5: Solve for x
    x = 178,942,368,880,473.88/15,332,762.34
  6. Step 6: Final answer
    x = 11,670,589.09

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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.