Home / 9,789,981.46-13,493,073.12-7,170,921.29

Finding the Fourth Proportional to 9,789,981.46, 13,493,073.12 and 7,170,921.29

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Solution

The fourth proportional to 9,789,981.46, 13,493,073.12 and 7,170,921.29 is: 9,883,345.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,789,981.46 : 13,493,073.12 = 7,170,921.29 : x
  2. Step 2: Convert to fraction form
    9,789,981.46/13,493,073.12 = 7,170,921.29/x
  3. Step 3: Cross multiply
    9,789,981.46x = 13,493,073.12 × 7,170,921.29
  4. Step 4: Simplify right side
    9,789,981.46x = 96,757,765,303,734.72
  5. Step 5: Solve for x
    x = 96,757,765,303,734.72/9,789,981.46
  6. Step 6: Final answer
    x = 9,883,345.10

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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.