Home / 10,369,885.88-15,555,576.16-3,980,138.23

Finding the Fourth Proportional to 10,369,885.88, 15,555,576.16 and 3,980,138.23

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Solution

The fourth proportional to 10,369,885.88, 15,555,576.16 and 3,980,138.23 is: 5,970,494.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,369,885.88 : 15,555,576.16 = 3,980,138.23 : x
  2. Step 2: Convert to fraction form
    10,369,885.88/15,555,576.16 = 3,980,138.23/x
  3. Step 3: Cross multiply
    10,369,885.88x = 15,555,576.16 × 3,980,138.23
  4. Step 4: Simplify right side
    10,369,885.88x = 61,913,343,388,512.24
  5. Step 5: Solve for x
    x = 61,913,343,388,512.24/10,369,885.88
  6. Step 6: Final answer
    x = 5,970,494.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.