Home / 18,378,083.10-27,567,124.65-4,914,911.10

Finding the Fourth Proportional to 18,378,083.10, 27,567,124.65 and 4,914,911.10

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Solution

The fourth proportional to 18,378,083.10, 27,567,124.65 and 4,914,911.10 is: 7,372,366.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,378,083.10 : 27,567,124.65 = 4,914,911.10 : x
  2. Step 2: Convert to fraction form
    18,378,083.10/27,567,124.65 = 4,914,911.10/x
  3. Step 3: Cross multiply
    18,378,083.10x = 27,567,124.65 × 4,914,911.10
  4. Step 4: Simplify right side
    18,378,083.10x = 135,489,966,937,368.59
  5. Step 5: Solve for x
    x = 135,489,966,937,368.59/18,378,083.10
  6. Step 6: Final answer
    x = 7,372,366.65

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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.