Home / 13,291,208.10-19,936,812.15-7,551,645.30

Finding the Fourth Proportional to 13,291,208.10, 19,936,812.15 and 7,551,645.30

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Solution

The fourth proportional to 13,291,208.10, 19,936,812.15 and 7,551,645.30 is: 11,327,467.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,291,208.10 : 19,936,812.15 = 7,551,645.30 : x
  2. Step 2: Convert to fraction form
    13,291,208.10/19,936,812.15 = 7,551,645.30/x
  3. Step 3: Cross multiply
    13,291,208.10x = 19,936,812.15 × 7,551,645.30
  4. Step 4: Simplify right side
    13,291,208.10x = 150,555,733,769,530.38
  5. Step 5: Solve for x
    x = 150,555,733,769,530.38/13,291,208.10
  6. Step 6: Final answer
    x = 11,327,467.95

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Double scale
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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.