Home / 30,222,307.80-45,320,086.98-8,651,994.84

Finding the Fourth Proportional to 30,222,307.80, 45,320,086.98 and 8,651,994.84

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Solution

The fourth proportional to 30,222,307.80, 45,320,086.98 and 8,651,994.84 is: 12,974,163.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,222,307.80 : 45,320,086.98 = 8,651,994.84 : x
  2. Step 2: Convert to fraction form
    30,222,307.80/45,320,086.98 = 8,651,994.84/x
  3. Step 3: Cross multiply
    30,222,307.80x = 45,320,086.98 × 8,651,994.84
  4. Step 4: Simplify right side
    30,222,307.80x = 392,109,158,699,311.12
  5. Step 5: Solve for x
    x = 392,109,158,699,311.12/30,222,307.80
  6. Step 6: Final answer
    x = 12,974,163.37

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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.