Home / 28,156,915.30-42,203,880.15-16,032,187.30

Finding the Fourth Proportional to 28,156,915.30, 42,203,880.15 and 16,032,187.30

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Solution

The fourth proportional to 28,156,915.30, 42,203,880.15 and 16,032,187.30 is: 24,030,349.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,156,915.30 : 42,203,880.15 = 16,032,187.30 : x
  2. Step 2: Convert to fraction form
    28,156,915.30/42,203,880.15 = 16,032,187.30/x
  3. Step 3: Cross multiply
    28,156,915.30x = 42,203,880.15 × 16,032,187.30
  4. Step 4: Simplify right side
    28,156,915.30x = 676,620,511,351,552.12
  5. Step 5: Solve for x
    x = 676,620,511,351,552.12/28,156,915.30
  6. Step 6: Final answer
    x = 24,030,349.35

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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.