Home / 30,423,603.12-41,984,902.80-16,672,272

Finding the Fourth Proportional to 30,423,603.12, 41,984,902.80 and 16,672,272

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Solution

The fourth proportional to 30,423,603.12, 41,984,902.80 and 16,672,272 is: 23,007,916.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,423,603.12 : 41,984,902.80 = 16,672,272 : x
  2. Step 2: Convert to fraction form
    30,423,603.12/41,984,902.80 = 16,672,272/x
  3. Step 3: Cross multiply
    30,423,603.12x = 41,984,902.80 × 16,672,272
  4. Step 4: Simplify right side
    30,423,603.12x = 699,983,719,375,161.50
  5. Step 5: Solve for x
    x = 699,983,719,375,161.50/30,423,603.12
  6. Step 6: Final answer
    x = 23,007,916.47

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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.