Home / 20,152,575-27,809,163.36-11,333,344.32

Finding the Fourth Proportional to 20,152,575, 27,809,163.36 and 11,333,344.32

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Solution

The fourth proportional to 20,152,575, 27,809,163.36 and 11,333,344.32 is: 15,639,233.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,152,575 : 27,809,163.36 = 11,333,344.32 : x
  2. Step 2: Convert to fraction form
    20,152,575/27,809,163.36 = 11,333,344.32/x
  3. Step 3: Cross multiply
    20,152,575x = 27,809,163.36 × 11,333,344.32
  4. Step 4: Simplify right side
    20,152,575x = 315,170,823,610,008.12
  5. Step 5: Solve for x
    x = 315,170,823,610,008.12/20,152,575
  6. Step 6: Final answer
    x = 15,639,233.38

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Double scale
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1.5x scale

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.