Home / 21,463,820.80-32,197,286.40-12,925,772.80

Finding the Fourth Proportional to 21,463,820.80, 32,197,286.40 and 12,925,772.80

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Solution

The fourth proportional to 21,463,820.80, 32,197,286.40 and 12,925,772.80 is: 19,389,595.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,463,820.80 : 32,197,286.40 = 12,925,772.80 : x
  2. Step 2: Convert to fraction form
    21,463,820.80/32,197,286.40 = 12,925,772.80/x
  3. Step 3: Cross multiply
    21,463,820.80x = 32,197,286.40 × 12,925,772.80
  4. Step 4: Simplify right side
    21,463,820.80x = 416,174,808,782,929.94
  5. Step 5: Solve for x
    x = 416,174,808,782,929.94/21,463,820.80
  6. Step 6: Final answer
    x = 19,389,595.76

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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.