Home / 28,410,844.11-39,180,817.95-18,617,731.49

Finding the Fourth Proportional to 28,410,844.11, 39,180,817.95 and 18,617,731.49

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Solution

The fourth proportional to 28,410,844.11, 39,180,817.95 and 18,617,731.49 is: 25,675,335.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,410,844.11 : 39,180,817.95 = 18,617,731.49 : x
  2. Step 2: Convert to fraction form
    28,410,844.11/39,180,817.95 = 18,617,731.49/x
  3. Step 3: Cross multiply
    28,410,844.11x = 39,180,817.95 × 18,617,731.49
  4. Step 4: Simplify right side
    28,410,844.11x = 729,457,948,064,140.50
  5. Step 5: Solve for x
    x = 729,457,948,064,140.50/28,410,844.11
  6. Step 6: Final answer
    x = 25,675,335.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.