Home / 9,238,975.80-13,842,717.30-7,884,785.40

Finding the Fourth Proportional to 9,238,975.80, 13,842,717.30 and 7,884,785.40

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Solution

The fourth proportional to 9,238,975.80, 13,842,717.30 and 7,884,785.40 is: 11,813,739.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,238,975.80 : 13,842,717.30 = 7,884,785.40 : x
  2. Step 2: Convert to fraction form
    9,238,975.80/13,842,717.30 = 7,884,785.40/x
  3. Step 3: Cross multiply
    9,238,975.80x = 13,842,717.30 × 7,884,785.40
  4. Step 4: Simplify right side
    9,238,975.80x = 109,146,855,263,367.44
  5. Step 5: Solve for x
    x = 109,146,855,263,367.44/9,238,975.80
  6. Step 6: Final answer
    x = 11,813,739.71

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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.