Home / 27,783,683.10-38,354,810.76-19,530,819.90

Finding the Fourth Proportional to 27,783,683.10, 38,354,810.76 and 19,530,819.90

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Solution

The fourth proportional to 27,783,683.10, 38,354,810.76 and 19,530,819.90 is: 26,961,900.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,783,683.10 : 38,354,810.76 = 19,530,819.90 : x
  2. Step 2: Convert to fraction form
    27,783,683.10/38,354,810.76 = 19,530,819.90/x
  3. Step 3: Cross multiply
    27,783,683.10x = 38,354,810.76 × 19,530,819.90
  4. Step 4: Simplify right side
    27,783,683.10x = 749,100,901,252,142
  5. Step 5: Solve for x
    x = 749,100,901,252,142/27,783,683.10
  6. Step 6: Final answer
    x = 26,961,900.57

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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.