Home / 13,022,143.23-19,537,280.25-7,840,432.83

Finding the Fourth Proportional to 13,022,143.23, 19,537,280.25 and 7,840,432.83

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Solution

The fourth proportional to 13,022,143.23, 19,537,280.25 and 7,840,432.83 is: 11,763,096.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,022,143.23 : 19,537,280.25 = 7,840,432.83 : x
  2. Step 2: Convert to fraction form
    13,022,143.23/19,537,280.25 = 7,840,432.83/x
  3. Step 3: Cross multiply
    13,022,143.23x = 19,537,280.25 × 7,840,432.83
  4. Step 4: Simplify right side
    13,022,143.23x = 153,180,733,481,010.59
  5. Step 5: Solve for x
    x = 153,180,733,481,010.59/13,022,143.23
  6. Step 6: Final answer
    x = 11,763,096.96

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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.