Home / 13,960,039.40-20,957,117.70-7,898,987.60

Finding the Fourth Proportional to 13,960,039.40, 20,957,117.70 and 7,898,987.60

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Solution

The fourth proportional to 13,960,039.40, 20,957,117.70 and 7,898,987.60 is: 11,858,133.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,960,039.40 : 20,957,117.70 = 7,898,987.60 : x
  2. Step 2: Convert to fraction form
    13,960,039.40/20,957,117.70 = 7,898,987.60/x
  3. Step 3: Cross multiply
    13,960,039.40x = 20,957,117.70 × 7,898,987.60
  4. Step 4: Simplify right side
    13,960,039.40x = 165,540,012,844,040.50
  5. Step 5: Solve for x
    x = 165,540,012,844,040.50/13,960,039.40
  6. Step 6: Final answer
    x = 11,858,133.64

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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.