Home / 12,791,654.46-17,652,529.26-6,990,436.89

Finding the Fourth Proportional to 12,791,654.46, 17,652,529.26 and 6,990,436.89

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Solution

The fourth proportional to 12,791,654.46, 17,652,529.26 and 6,990,436.89 is: 9,646,828.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,791,654.46 : 17,652,529.26 = 6,990,436.89 : x
  2. Step 2: Convert to fraction form
    12,791,654.46/17,652,529.26 = 6,990,436.89/x
  3. Step 3: Cross multiply
    12,791,654.46x = 17,652,529.26 × 6,990,436.89
  4. Step 4: Simplify right side
    12,791,654.46x = 123,398,891,740,908.41
  5. Step 5: Solve for x
    x = 123,398,891,740,908.41/12,791,654.46
  6. Step 6: Final answer
    x = 9,646,828.10

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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.