Home / 28,213,465.88-42,320,723.90-8,019,232.76

Finding the Fourth Proportional to 28,213,465.88, 42,320,723.90 and 8,019,232.76

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Solution

The fourth proportional to 28,213,465.88, 42,320,723.90 and 8,019,232.76 is: 12,028,998.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,213,465.88 : 42,320,723.90 = 8,019,232.76 : x
  2. Step 2: Convert to fraction form
    28,213,465.88/42,320,723.90 = 8,019,232.76/x
  3. Step 3: Cross multiply
    28,213,465.88x = 42,320,723.90 × 8,019,232.76
  4. Step 4: Simplify right side
    28,213,465.88x = 339,379,735,274,095.19
  5. Step 5: Solve for x
    x = 339,379,735,274,095.19/28,213,465.88
  6. Step 6: Final answer
    x = 12,028,998.38

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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.