Home / 30,394,116.24-45,599,697.72-12,211,079.76

Finding the Fourth Proportional to 30,394,116.24, 45,599,697.72 and 12,211,079.76

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Solution

The fourth proportional to 30,394,116.24, 45,599,697.72 and 12,211,079.76 is: 18,320,043.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,394,116.24 : 45,599,697.72 = 12,211,079.76 : x
  2. Step 2: Convert to fraction form
    30,394,116.24/45,599,697.72 = 12,211,079.76/x
  3. Step 3: Cross multiply
    30,394,116.24x = 45,599,697.72 × 12,211,079.76
  4. Step 4: Simplify right side
    30,394,116.24x = 556,821,545,890,810.12
  5. Step 5: Solve for x
    x = 556,821,545,890,810.12/30,394,116.24
  6. Step 6: Final answer
    x = 18,320,043.97

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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.