Home / 12,398,534.67-18,597,776.09-3,423,060.75

Finding the Fourth Proportional to 12,398,534.67, 18,597,776.09 and 3,423,060.75

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Solution

The fourth proportional to 12,398,534.67, 18,597,776.09 and 3,423,060.75 is: 5,134,583.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,398,534.67 : 18,597,776.09 = 3,423,060.75 : x
  2. Step 2: Convert to fraction form
    12,398,534.67/18,597,776.09 = 3,423,060.75/x
  3. Step 3: Cross multiply
    12,398,534.67x = 18,597,776.09 × 3,423,060.75
  4. Step 4: Simplify right side
    12,398,534.67x = 63,661,317,353,852.16
  5. Step 5: Solve for x
    x = 63,661,317,353,852.16/12,398,534.67
  6. Step 6: Final answer
    x = 5,134,583.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.