Home / 12,215,361.41-18,323,031.67-3,117,458.29

Finding the Fourth Proportional to 12,215,361.41, 18,323,031.67 and 3,117,458.29

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Solution

The fourth proportional to 12,215,361.41, 18,323,031.67 and 3,117,458.29 is: 4,676,184.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,215,361.41 : 18,323,031.67 = 3,117,458.29 : x
  2. Step 2: Convert to fraction form
    12,215,361.41/18,323,031.67 = 3,117,458.29/x
  3. Step 3: Cross multiply
    12,215,361.41x = 18,323,031.67 × 3,117,458.29
  4. Step 4: Simplify right side
    12,215,361.41x = 57,121,286,977,574.05
  5. Step 5: Solve for x
    x = 57,121,286,977,574.05/12,215,361.41
  6. Step 6: Final answer
    x = 4,676,184.77

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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.