Home / 13,553,499.82-20,338,328.08-4,918,274.10

Finding the Fourth Proportional to 13,553,499.82, 20,338,328.08 and 4,918,274.10

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Solution

The fourth proportional to 13,553,499.82, 20,338,328.08 and 4,918,274.10 is: 7,380,342.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,553,499.82 : 20,338,328.08 = 4,918,274.10 : x
  2. Step 2: Convert to fraction form
    13,553,499.82/20,338,328.08 = 4,918,274.10/x
  3. Step 3: Cross multiply
    13,553,499.82x = 20,338,328.08 × 4,918,274.10
  4. Step 4: Simplify right side
    13,553,499.82x = 100,029,472,233,166.72
  5. Step 5: Solve for x
    x = 100,029,472,233,166.72/13,553,499.82
  6. Step 6: Final answer
    x = 7,380,342.61

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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.