Home / 12,347,898.41-18,433,755.86-11,527,318.40

Finding the Fourth Proportional to 12,347,898.41, 18,433,755.86 and 11,527,318.40

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Solution

The fourth proportional to 12,347,898.41, 18,433,755.86 and 11,527,318.40 is: 17,208,739.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,347,898.41 : 18,433,755.86 = 11,527,318.40 : x
  2. Step 2: Convert to fraction form
    12,347,898.41/18,433,755.86 = 11,527,318.40/x
  3. Step 3: Cross multiply
    12,347,898.41x = 18,433,755.86 × 11,527,318.40
  4. Step 4: Simplify right side
    12,347,898.41x = 212,491,772,956,280.44
  5. Step 5: Solve for x
    x = 212,491,772,956,280.44/12,347,898.41
  6. Step 6: Final answer
    x = 17,208,739.97

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.