Home / 21,645,529.45-29,870,461.61-11,722,331.60

Finding the Fourth Proportional to 21,645,529.45, 29,870,461.61 and 11,722,331.60

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Solution

The fourth proportional to 21,645,529.45, 29,870,461.61 and 11,722,331.60 is: 16,176,617.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,645,529.45 : 29,870,461.61 = 11,722,331.60 : x
  2. Step 2: Convert to fraction form
    21,645,529.45/29,870,461.61 = 11,722,331.60/x
  3. Step 3: Cross multiply
    21,645,529.45x = 29,870,461.61 × 11,722,331.60
  4. Step 4: Simplify right side
    21,645,529.45x = 350,151,455,829,525.94
  5. Step 5: Solve for x
    x = 350,151,455,829,525.94/21,645,529.45
  6. Step 6: Final answer
    x = 16,176,617.75

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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.