Home / 10,023,843.81-13,832,910.12-5,440,165.18

Finding the Fourth Proportional to 10,023,843.81, 13,832,910.12 and 5,440,165.18

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Solution

The fourth proportional to 10,023,843.81, 13,832,910.12 and 5,440,165.18 is: 7,507,431.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,023,843.81 : 13,832,910.12 = 5,440,165.18 : x
  2. Step 2: Convert to fraction form
    10,023,843.81/13,832,910.12 = 5,440,165.18/x
  3. Step 3: Cross multiply
    10,023,843.81x = 13,832,910.12 × 5,440,165.18
  4. Step 4: Simplify right side
    10,023,843.81x = 75,253,316,005,921.16
  5. Step 5: Solve for x
    x = 75,253,316,005,921.16/10,023,843.81
  6. Step 6: Final answer
    x = 7,507,431.03

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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.