Home / 13,424,643.40-20,147,462.70-6,237,067.90

Finding the Fourth Proportional to 13,424,643.40, 20,147,462.70 and 6,237,067.90

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Solution

The fourth proportional to 13,424,643.40, 20,147,462.70 and 6,237,067.90 is: 9,360,479.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,424,643.40 : 20,147,462.70 = 6,237,067.90 : x
  2. Step 2: Convert to fraction form
    13,424,643.40/20,147,462.70 = 6,237,067.90/x
  3. Step 3: Cross multiply
    13,424,643.40x = 20,147,462.70 × 6,237,067.90
  4. Step 4: Simplify right side
    13,424,643.40x = 125,661,092,872,617.33
  5. Step 5: Solve for x
    x = 125,661,092,872,617.33/13,424,643.40
  6. Step 6: Final answer
    x = 9,360,479.02

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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.