Home / 20,223,019.40-30,334,529.10-8,885,611.40

Finding the Fourth Proportional to 20,223,019.40, 30,334,529.10 and 8,885,611.40

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Solution

The fourth proportional to 20,223,019.40, 30,334,529.10 and 8,885,611.40 is: 13,328,417.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,223,019.40 : 30,334,529.10 = 8,885,611.40 : x
  2. Step 2: Convert to fraction form
    20,223,019.40/30,334,529.10 = 8,885,611.40/x
  3. Step 3: Cross multiply
    20,223,019.40x = 30,334,529.10 × 8,885,611.40
  4. Step 4: Simplify right side
    20,223,019.40x = 269,540,837,584,591.75
  5. Step 5: Solve for x
    x = 269,540,837,584,591.75/20,223,019.40
  6. Step 6: Final answer
    x = 13,328,417.10

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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.