Home / 13,682,270.95-18,902,042.55-8,983,813.53

Finding the Fourth Proportional to 13,682,270.95, 18,902,042.55 and 8,983,813.53

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Solution

The fourth proportional to 13,682,270.95, 18,902,042.55 and 8,983,813.53 is: 12,411,128.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,682,270.95 : 18,902,042.55 = 8,983,813.53 : x
  2. Step 2: Convert to fraction form
    13,682,270.95/18,902,042.55 = 8,983,813.53/x
  3. Step 3: Cross multiply
    13,682,270.95x = 18,902,042.55 × 8,983,813.53
  4. Step 4: Simplify right side
    13,682,270.95x = 169,812,425,533,275
  5. Step 5: Solve for x
    x = 169,812,425,533,275/13,682,270.95
  6. Step 6: Final answer
    x = 12,411,128.69

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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.