Home / 20,136,923.60-30,221,131.80-9,355,560.35

Finding the Fourth Proportional to 20,136,923.60, 30,221,131.80 and 9,355,560.35

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Solution

The fourth proportional to 20,136,923.60, 30,221,131.80 and 9,355,560.35 is: 14,040,656.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,136,923.60 : 30,221,131.80 = 9,355,560.35 : x
  2. Step 2: Convert to fraction form
    20,136,923.60/30,221,131.80 = 9,355,560.35/x
  3. Step 3: Cross multiply
    20,136,923.60x = 30,221,131.80 × 9,355,560.35
  4. Step 4: Simplify right side
    20,136,923.60x = 282,735,622,400,204.12
  5. Step 5: Solve for x
    x = 282,735,622,400,204.12/20,136,923.60
  6. Step 6: Final answer
    x = 14,040,656.26

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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.