Home / 12,495,678.57-18,749,826.14-5,667,899.81

Finding the Fourth Proportional to 12,495,678.57, 18,749,826.14 and 5,667,899.81

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Solution

The fourth proportional to 12,495,678.57, 18,749,826.14 and 5,667,899.81 is: 8,504,711.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,495,678.57 : 18,749,826.14 = 5,667,899.81 : x
  2. Step 2: Convert to fraction form
    12,495,678.57/18,749,826.14 = 5,667,899.81/x
  3. Step 3: Cross multiply
    12,495,678.57x = 18,749,826.14 × 5,667,899.81
  4. Step 4: Simplify right side
    12,495,678.57x = 106,272,135,894,350.41
  5. Step 5: Solve for x
    x = 106,272,135,894,350.41/12,495,678.57
  6. Step 6: Final answer
    x = 8,504,711.07

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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.