Home / 28,156,910.30-42,203,872.65-16,032,182.30

Finding the Fourth Proportional to 28,156,910.30, 42,203,872.65 and 16,032,182.30

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Solution

The fourth proportional to 28,156,910.30, 42,203,872.65 and 16,032,182.30 is: 24,030,341.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,156,910.30 : 42,203,872.65 = 16,032,182.30 : x
  2. Step 2: Convert to fraction form
    28,156,910.30/42,203,872.65 = 16,032,182.30/x
  3. Step 3: Cross multiply
    28,156,910.30x = 42,203,872.65 × 16,032,182.30
  4. Step 4: Simplify right side
    28,156,910.30x = 676,620,180,090,784.12
  5. Step 5: Solve for x
    x = 676,620,180,090,784.12/28,156,910.30
  6. Step 6: Final answer
    x = 24,030,341.86

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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.