Home / 30,235,795.20-45,353,692.80-12,297,772.80

Finding the Fourth Proportional to 30,235,795.20, 45,353,692.80 and 12,297,772.80

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Solution

The fourth proportional to 30,235,795.20, 45,353,692.80 and 12,297,772.80 is: 18,446,659.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,235,795.20 : 45,353,692.80 = 12,297,772.80 : x
  2. Step 2: Convert to fraction form
    30,235,795.20/45,353,692.80 = 12,297,772.80/x
  3. Step 3: Cross multiply
    30,235,795.20x = 45,353,692.80 × 12,297,772.80
  4. Step 4: Simplify right side
    30,235,795.20x = 557,749,409,695,395.81
  5. Step 5: Solve for x
    x = 557,749,409,695,395.81/30,235,795.20
  6. Step 6: Final answer
    x = 18,446,659.20

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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.