Home / 20,161,477.80-30,242,216.70-17,012,197.80

Finding the Fourth Proportional to 20,161,477.80, 30,242,216.70 and 17,012,197.80

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Solution

The fourth proportional to 20,161,477.80, 30,242,216.70 and 17,012,197.80 is: 25,518,296.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,161,477.80 : 30,242,216.70 = 17,012,197.80 : x
  2. Step 2: Convert to fraction form
    20,161,477.80/30,242,216.70 = 17,012,197.80/x
  3. Step 3: Cross multiply
    20,161,477.80x = 30,242,216.70 × 17,012,197.80
  4. Step 4: Simplify right side
    20,161,477.80x = 514,486,572,410,863.25
  5. Step 5: Solve for x
    x = 514,486,572,410,863.25/20,161,477.80
  6. Step 6: Final answer
    x = 25,518,296.70

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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.