Home / 29,379,228.73-40,500,604.96-20,531,209.96

Finding the Fourth Proportional to 29,379,228.73, 40,500,604.96 and 20,531,209.96

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Solution

The fourth proportional to 29,379,228.73, 40,500,604.96 and 20,531,209.96 is: 28,303,208.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,379,228.73 : 40,500,604.96 = 20,531,209.96 : x
  2. Step 2: Convert to fraction form
    29,379,228.73/40,500,604.96 = 20,531,209.96/x
  3. Step 3: Cross multiply
    29,379,228.73x = 40,500,604.96 × 20,531,209.96
  4. Step 4: Simplify right side
    29,379,228.73x = 831,526,423,940,777.50
  5. Step 5: Solve for x
    x = 831,526,423,940,777.50/29,379,228.73
  6. Step 6: Final answer
    x = 28,303,208.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.