Home / 29,379,442.98-40,500,900.75-20,531,423.58

Finding the Fourth Proportional to 29,379,442.98, 40,500,900.75 and 20,531,423.58

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Solution

The fourth proportional to 29,379,442.98, 40,500,900.75 and 20,531,423.58 is: 28,303,502.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,379,442.98 : 40,500,900.75 = 20,531,423.58 : x
  2. Step 2: Convert to fraction form
    29,379,442.98/40,500,900.75 = 20,531,423.58/x
  3. Step 3: Cross multiply
    29,379,442.98x = 40,500,900.75 × 20,531,423.58
  4. Step 4: Simplify right side
    29,379,442.98x = 831,541,148,669,789.62
  5. Step 5: Solve for x
    x = 831,541,148,669,789.62/29,379,442.98
  6. Step 6: Final answer
    x = 28,303,502.87

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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.