Home / 30,971,223.05-42,728,191.72-17,733,325.72

Finding the Fourth Proportional to 30,971,223.05, 42,728,191.72 and 17,733,325.72

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Solution

The fourth proportional to 30,971,223.05, 42,728,191.72 and 17,733,325.72 is: 24,465,063.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,971,223.05 : 42,728,191.72 = 17,733,325.72 : x
  2. Step 2: Convert to fraction form
    30,971,223.05/42,728,191.72 = 17,733,325.72/x
  3. Step 3: Cross multiply
    30,971,223.05x = 42,728,191.72 × 17,733,325.72
  4. Step 4: Simplify right side
    30,971,223.05x = 757,712,941,226,078.62
  5. Step 5: Solve for x
    x = 757,712,941,226,078.62/30,971,223.05
  6. Step 6: Final answer
    x = 24,465,063.58

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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.