Home / 28,361,045.70-42,541,568.55-8,168,328.90

Finding the Fourth Proportional to 28,361,045.70, 42,541,568.55 and 8,168,328.90

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Solution

The fourth proportional to 28,361,045.70, 42,541,568.55 and 8,168,328.90 is: 12,252,493.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,361,045.70 : 42,541,568.55 = 8,168,328.90 : x
  2. Step 2: Convert to fraction form
    28,361,045.70/42,541,568.55 = 8,168,328.90/x
  3. Step 3: Cross multiply
    28,361,045.70x = 42,541,568.55 × 8,168,328.90
  4. Step 4: Simplify right side
    28,361,045.70x = 347,493,523,838,296.06
  5. Step 5: Solve for x
    x = 347,493,523,838,296.06/28,361,045.70
  6. Step 6: Final answer
    x = 12,252,493.35

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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.