Home / 20,158,169.40-30,237,254.10-14,489,465.40

Finding the Fourth Proportional to 20,158,169.40, 30,237,254.10 and 14,489,465.40

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Solution

The fourth proportional to 20,158,169.40, 30,237,254.10 and 14,489,465.40 is: 21,734,198.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,158,169.40 : 30,237,254.10 = 14,489,465.40 : x
  2. Step 2: Convert to fraction form
    20,158,169.40/30,237,254.10 = 14,489,465.40/x
  3. Step 3: Cross multiply
    20,158,169.40x = 30,237,254.10 × 14,489,465.40
  4. Step 4: Simplify right side
    20,158,169.40x = 438,121,647,072,958.19
  5. Step 5: Solve for x
    x = 438,121,647,072,958.19/20,158,169.40
  6. Step 6: Final answer
    x = 21,734,198.10

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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.