Home / 13,619,013.40-18,794,366.22-7,507,660.60

Finding the Fourth Proportional to 13,619,013.40, 18,794,366.22 and 7,507,660.60

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Solution

The fourth proportional to 13,619,013.40, 18,794,366.22 and 7,507,660.60 is: 10,360,642.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,619,013.40 : 18,794,366.22 = 7,507,660.60 : x
  2. Step 2: Convert to fraction form
    13,619,013.40/18,794,366.22 = 7,507,660.60/x
  3. Step 3: Cross multiply
    13,619,013.40x = 18,794,366.22 × 7,507,660.60
  4. Step 4: Simplify right side
    13,619,013.40x = 141,101,722,771,864.91
  5. Step 5: Solve for x
    x = 141,101,722,771,864.91/13,619,013.40
  6. Step 6: Final answer
    x = 10,360,642.04

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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.