Home / 28,336,442.24-42,503,064.57-12,557,407.53

Finding the Fourth Proportional to 28,336,442.24, 42,503,064.57 and 12,557,407.53

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Solution

The fourth proportional to 28,336,442.24, 42,503,064.57 and 12,557,407.53 is: 18,835,402.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,336,442.24 : 42,503,064.57 = 12,557,407.53 : x
  2. Step 2: Convert to fraction form
    28,336,442.24/42,503,064.57 = 12,557,407.53/x
  3. Step 3: Cross multiply
    28,336,442.24x = 42,503,064.57 × 12,557,407.53
  4. Step 4: Simplify right side
    28,336,442.24x = 533,728,303,103,063.06
  5. Step 5: Solve for x
    x = 533,728,303,103,063.06/28,336,442.24
  6. Step 6: Final answer
    x = 18,835,402.78

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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.