Home / 28,912,513.77-43,382,014.52-12,522,811.14

Finding the Fourth Proportional to 28,912,513.77, 43,382,014.52 and 12,522,811.14

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Solution

The fourth proportional to 28,912,513.77, 43,382,014.52 and 12,522,811.14 is: 18,789,952.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,912,513.77 : 43,382,014.52 = 12,522,811.14 : x
  2. Step 2: Convert to fraction form
    28,912,513.77/43,382,014.52 = 12,522,811.14/x
  3. Step 3: Cross multiply
    28,912,513.77x = 43,382,014.52 × 12,522,811.14
  4. Step 4: Simplify right side
    28,912,513.77x = 543,264,774,644,083.75
  5. Step 5: Solve for x
    x = 543,264,774,644,083.75/28,912,513.77
  6. Step 6: Final answer
    x = 18,789,952.99

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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.