Home / 29,379,173.21-40,500,528.65-20,531,154.58

Finding the Fourth Proportional to 29,379,173.21, 40,500,528.65 and 20,531,154.58

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Solution

The fourth proportional to 29,379,173.21, 40,500,528.65 and 20,531,154.58 is: 28,303,131.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,379,173.21 : 40,500,528.65 = 20,531,154.58 : x
  2. Step 2: Convert to fraction form
    29,379,173.21/40,500,528.65 = 20,531,154.58/x
  3. Step 3: Cross multiply
    29,379,173.21x = 40,500,528.65 × 20,531,154.58
  4. Step 4: Simplify right side
    29,379,173.21x = 831,522,614,284,868.62
  5. Step 5: Solve for x
    x = 831,522,614,284,868.62/29,379,173.21
  6. Step 6: Final answer
    x = 28,303,131.89

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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.