Home / 12,698,917.92-17,524,638.72-6,897,813.12

Finding the Fourth Proportional to 12,698,917.92, 17,524,638.72 and 6,897,813.12

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Solution

The fourth proportional to 12,698,917.92, 17,524,638.72 and 6,897,813.12 is: 9,519,053.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,698,917.92 : 17,524,638.72 = 6,897,813.12 : x
  2. Step 2: Convert to fraction form
    12,698,917.92/17,524,638.72 = 6,897,813.12/x
  3. Step 3: Cross multiply
    12,698,917.92x = 17,524,638.72 × 6,897,813.12
  4. Step 4: Simplify right side
    12,698,917.92x = 120,881,682,886,076
  5. Step 5: Solve for x
    x = 120,881,682,886,076/12,698,917.92
  6. Step 6: Final answer
    x = 9,519,053.80

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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.