Home / 20,143,135.80-30,214,703.70-17,403,262.20

Finding the Fourth Proportional to 20,143,135.80, 30,214,703.70 and 17,403,262.20

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Solution

The fourth proportional to 20,143,135.80, 30,214,703.70 and 17,403,262.20 is: 26,104,893.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,143,135.80 : 30,214,703.70 = 17,403,262.20 : x
  2. Step 2: Convert to fraction form
    20,143,135.80/30,214,703.70 = 17,403,262.20/x
  3. Step 3: Cross multiply
    20,143,135.80x = 30,214,703.70 × 17,403,262.20
  4. Step 4: Simplify right side
    20,143,135.80x = 525,834,410,786,410.12
  5. Step 5: Solve for x
    x = 525,834,410,786,410.12/20,143,135.80
  6. Step 6: Final answer
    x = 26,104,893.30

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1.5x scale

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.