Home / 20,199,015.20-30,298,522.80-14,140,587.80

Finding the Fourth Proportional to 20,199,015.20, 30,298,522.80 and 14,140,587.80

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Solution

The fourth proportional to 20,199,015.20, 30,298,522.80 and 14,140,587.80 is: 21,210,881.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,199,015.20 : 30,298,522.80 = 14,140,587.80 : x
  2. Step 2: Convert to fraction form
    20,199,015.20/30,298,522.80 = 14,140,587.80/x
  3. Step 3: Cross multiply
    20,199,015.20x = 30,298,522.80 × 14,140,587.80
  4. Step 4: Simplify right side
    20,199,015.20x = 428,438,921,863,701.88
  5. Step 5: Solve for x
    x = 428,438,921,863,701.88/20,199,015.20
  6. Step 6: Final answer
    x = 21,210,881.70

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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.