Home / 12,538,500.98-17,305,022.70-7,646,560.83

Finding the Fourth Proportional to 12,538,500.98, 17,305,022.70 and 7,646,560.83

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Solution

The fourth proportional to 12,538,500.98, 17,305,022.70 and 7,646,560.83 is: 10,553,407.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,538,500.98 : 17,305,022.70 = 7,646,560.83 : x
  2. Step 2: Convert to fraction form
    12,538,500.98/17,305,022.70 = 7,646,560.83/x
  3. Step 3: Cross multiply
    12,538,500.98x = 17,305,022.70 × 7,646,560.83
  4. Step 4: Simplify right side
    12,538,500.98x = 132,323,908,740,080.84
  5. Step 5: Solve for x
    x = 132,323,908,740,080.84/12,538,500.98
  6. Step 6: Final answer
    x = 10,553,407.38

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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.