Home / 13,160,213.56-18,161,153.94-7,358,997.40

Finding the Fourth Proportional to 13,160,213.56, 18,161,153.94 and 7,358,997.40

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Solution

The fourth proportional to 13,160,213.56, 18,161,153.94 and 7,358,997.40 is: 10,155,449.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,160,213.56 : 18,161,153.94 = 7,358,997.40 : x
  2. Step 2: Convert to fraction form
    13,160,213.56/18,161,153.94 = 7,358,997.40/x
  3. Step 3: Cross multiply
    13,160,213.56x = 18,161,153.94 × 7,358,997.40
  4. Step 4: Simplify right side
    13,160,213.56x = 133,647,884,625,459.77
  5. Step 5: Solve for x
    x = 133,647,884,625,459.77/13,160,213.56
  6. Step 6: Final answer
    x = 10,155,449.53

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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.