Home / 15,937,858.56-21,991,498.20-8,967,568.80

Finding the Fourth Proportional to 15,937,858.56, 21,991,498.20 and 8,967,568.80

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Solution

The fourth proportional to 15,937,858.56, 21,991,498.20 and 8,967,568.80 is: 12,373,699.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,937,858.56 : 21,991,498.20 = 8,967,568.80 : x
  2. Step 2: Convert to fraction form
    15,937,858.56/21,991,498.20 = 8,967,568.80/x
  3. Step 3: Cross multiply
    15,937,858.56x = 21,991,498.20 × 8,967,568.80
  4. Step 4: Simplify right side
    15,937,858.56x = 197,210,273,123,576.16
  5. Step 5: Solve for x
    x = 197,210,273,123,576.16/15,937,858.56
  6. Step 6: Final answer
    x = 12,373,699.54

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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.