Home / 18,890,961.49-28,335,376.38-8,371,605.02

Finding the Fourth Proportional to 18,890,961.49, 28,335,376.38 and 8,371,605.02

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Solution

The fourth proportional to 18,890,961.49, 28,335,376.38 and 8,371,605.02 is: 12,556,935.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,890,961.49 : 28,335,376.38 = 8,371,605.02 : x
  2. Step 2: Convert to fraction form
    18,890,961.49/28,335,376.38 = 8,371,605.02/x
  3. Step 3: Cross multiply
    18,890,961.49x = 28,335,376.38 × 8,371,605.02
  4. Step 4: Simplify right side
    18,890,961.49x = 237,212,579,156,904.72
  5. Step 5: Solve for x
    x = 237,212,579,156,904.72/18,890,961.49
  6. Step 6: Final answer
    x = 12,556,935.19

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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.