Home / 8,759,387.40-13,130,138.70-5,919,786.60

Finding the Fourth Proportional to 8,759,387.40, 13,130,138.70 and 5,919,786.60

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Solution

The fourth proportional to 8,759,387.40, 13,130,138.70 and 5,919,786.60 is: 8,873,636.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,759,387.40 : 13,130,138.70 = 5,919,786.60 : x
  2. Step 2: Convert to fraction form
    8,759,387.40/13,130,138.70 = 5,919,786.60/x
  3. Step 3: Cross multiply
    8,759,387.40x = 13,130,138.70 × 5,919,786.60
  4. Step 4: Simplify right side
    8,759,387.40x = 77,727,619,132,401.41
  5. Step 5: Solve for x
    x = 77,727,619,132,401.41/8,759,387.40
  6. Step 6: Final answer
    x = 8,873,636.43

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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.