Home / 19,363,537.80-29,045,306.70-12,993,438.60

Finding the Fourth Proportional to 19,363,537.80, 29,045,306.70 and 12,993,438.60

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Solution

The fourth proportional to 19,363,537.80, 29,045,306.70 and 12,993,438.60 is: 19,490,157.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,363,537.80 : 29,045,306.70 = 12,993,438.60 : x
  2. Step 2: Convert to fraction form
    19,363,537.80/29,045,306.70 = 12,993,438.60/x
  3. Step 3: Cross multiply
    19,363,537.80x = 29,045,306.70 × 12,993,438.60
  4. Step 4: Simplify right side
    19,363,537.80x = 377,398,409,224,618.62
  5. Step 5: Solve for x
    x = 377,398,409,224,618.62/19,363,537.80
  6. Step 6: Final answer
    x = 19,490,157.90

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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.