Home / 12,596,815.05-17,383,562.16-7,090,186.74

Finding the Fourth Proportional to 12,596,815.05, 17,383,562.16 and 7,090,186.74

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Solution

The fourth proportional to 12,596,815.05, 17,383,562.16 and 7,090,186.74 is: 9,784,433.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,596,815.05 : 17,383,562.16 = 7,090,186.74 : x
  2. Step 2: Convert to fraction form
    12,596,815.05/17,383,562.16 = 7,090,186.74/x
  3. Step 3: Cross multiply
    12,596,815.05x = 17,383,562.16 × 7,090,186.74
  4. Step 4: Simplify right side
    12,596,815.05x = 123,252,701,920,797.77
  5. Step 5: Solve for x
    x = 123,252,701,920,797.77/12,596,815.05
  6. Step 6: Final answer
    x = 9,784,433.72

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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.