Home / 13,188,257.16-19,748,316.72-9,102,190.28

Finding the Fourth Proportional to 13,188,257.16, 19,748,316.72 and 9,102,190.28

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Solution

The fourth proportional to 13,188,257.16, 19,748,316.72 and 9,102,190.28 is: 13,629,771.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,188,257.16 : 19,748,316.72 = 9,102,190.28 : x
  2. Step 2: Convert to fraction form
    13,188,257.16/19,748,316.72 = 9,102,190.28/x
  3. Step 3: Cross multiply
    13,188,257.16x = 19,748,316.72 × 9,102,190.28
  4. Step 4: Simplify right side
    13,188,257.16x = 179,752,936,495,145.47
  5. Step 5: Solve for x
    x = 179,752,936,495,145.47/13,188,257.16
  6. Step 6: Final answer
    x = 13,629,771.87

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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.