Home / 19,324,688.60-28,987,032.90-18,379,904.60

Finding the Fourth Proportional to 19,324,688.60, 28,987,032.90 and 18,379,904.60

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Solution

The fourth proportional to 19,324,688.60, 28,987,032.90 and 18,379,904.60 is: 27,569,856.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,324,688.60 : 28,987,032.90 = 18,379,904.60 : x
  2. Step 2: Convert to fraction form
    19,324,688.60/28,987,032.90 = 18,379,904.60/x
  3. Step 3: Cross multiply
    19,324,688.60x = 28,987,032.90 × 18,379,904.60
  4. Step 4: Simplify right side
    19,324,688.60x = 532,778,899,339,061.38
  5. Step 5: Solve for x
    x = 532,778,899,339,061.38/19,324,688.60
  6. Step 6: Final answer
    x = 27,569,856.90

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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.