Home / 16,910,659.54-25,369,149.12-7,689,309.40

Finding the Fourth Proportional to 16,910,659.54, 25,369,149.12 and 7,689,309.40

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Solution

The fourth proportional to 16,910,659.54, 25,369,149.12 and 7,689,309.40 is: 11,535,400.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,910,659.54 : 25,369,149.12 = 7,689,309.40 : x
  2. Step 2: Convert to fraction form
    16,910,659.54/25,369,149.12 = 7,689,309.40/x
  3. Step 3: Cross multiply
    16,910,659.54x = 25,369,149.12 × 7,689,309.40
  4. Step 4: Simplify right side
    16,910,659.54x = 195,071,236,798,417.75
  5. Step 5: Solve for x
    x = 195,071,236,798,417.75/16,910,659.54
  6. Step 6: Final answer
    x = 11,535,400.87

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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.