Home / 12,689,465.20-17,511,484.36-6,888,250.96

Finding the Fourth Proportional to 12,689,465.20, 17,511,484.36 and 6,888,250.96

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Solution

The fourth proportional to 12,689,465.20, 17,511,484.36 and 6,888,250.96 is: 9,505,798.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,689,465.20 : 17,511,484.36 = 6,888,250.96 : x
  2. Step 2: Convert to fraction form
    12,689,465.20/17,511,484.36 = 6,888,250.96/x
  3. Step 3: Cross multiply
    12,689,465.20x = 17,511,484.36 × 6,888,250.96
  4. Step 4: Simplify right side
    12,689,465.20x = 120,623,498,953,794.98
  5. Step 5: Solve for x
    x = 120,623,498,953,794.98/12,689,465.20
  6. Step 6: Final answer
    x = 9,505,798.48

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1.5x scale

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.