Home / 30,806,110.58-42,512,442.89-16,868,347.20

Finding the Fourth Proportional to 30,806,110.58, 42,512,442.89 and 16,868,347.20

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Solution

The fourth proportional to 30,806,110.58, 42,512,442.89 and 16,868,347.20 is: 23,278,324.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,806,110.58 : 42,512,442.89 = 16,868,347.20 : x
  2. Step 2: Convert to fraction form
    30,806,110.58/42,512,442.89 = 16,868,347.20/x
  3. Step 3: Cross multiply
    30,806,110.58x = 42,512,442.89 × 16,868,347.20
  4. Step 4: Simplify right side
    30,806,110.58x = 717,114,646,904,349.62
  5. Step 5: Solve for x
    x = 717,114,646,904,349.62/30,806,110.58
  6. Step 6: Final answer
    x = 23,278,324.77

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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.