Home / 20,000,476.80-30,000,496.50-4,854,408.30

Finding the Fourth Proportional to 20,000,476.80, 30,000,496.50 and 4,854,408.30

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Solution

The fourth proportional to 20,000,476.80, 30,000,496.50 and 4,854,408.30 is: 7,281,559.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,000,476.80 : 30,000,496.50 = 4,854,408.30 : x
  2. Step 2: Convert to fraction form
    20,000,476.80/30,000,496.50 = 4,854,408.30/x
  3. Step 3: Cross multiply
    20,000,476.80x = 30,000,496.50 × 4,854,408.30
  4. Step 4: Simplify right side
    20,000,476.80x = 145,634,659,213,720.94
  5. Step 5: Solve for x
    x = 145,634,659,213,720.94/20,000,476.80
  6. Step 6: Final answer
    x = 7,281,559.37

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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.