Home / 15,776,726.16-21,771,903.08-8,901,847.92

Finding the Fourth Proportional to 15,776,726.16, 21,771,903.08 and 8,901,847.92

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Solution

The fourth proportional to 15,776,726.16, 21,771,903.08 and 8,901,847.92 is: 12,284,561.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,776,726.16 : 21,771,903.08 = 8,901,847.92 : x
  2. Step 2: Convert to fraction form
    15,776,726.16/21,771,903.08 = 8,901,847.92/x
  3. Step 3: Cross multiply
    15,776,726.16x = 21,771,903.08 × 8,901,847.92
  4. Step 4: Simplify right side
    15,776,726.16x = 193,810,170,147,139.56
  5. Step 5: Solve for x
    x = 193,810,170,147,139.56/15,776,726.16
  6. Step 6: Final answer
    x = 12,284,561.97

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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.