Home / 19,682,620.80-29,523,931.20-14,643,772.80

Finding the Fourth Proportional to 19,682,620.80, 29,523,931.20 and 14,643,772.80

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Solution

The fourth proportional to 19,682,620.80, 29,523,931.20 and 14,643,772.80 is: 21,965,659.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,682,620.80 : 29,523,931.20 = 14,643,772.80 : x
  2. Step 2: Convert to fraction form
    19,682,620.80/29,523,931.20 = 14,643,772.80/x
  3. Step 3: Cross multiply
    19,682,620.80x = 29,523,931.20 × 14,643,772.80
  4. Step 4: Simplify right side
    19,682,620.80x = 432,341,740,655,631.38
  5. Step 5: Solve for x
    x = 432,341,740,655,631.38/19,682,620.80
  6. Step 6: Final answer
    x = 21,965,659.20

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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.