Home / 20,012,823.45-27,620,658.05-12,671,339.04

Finding the Fourth Proportional to 20,012,823.45, 27,620,658.05 and 12,671,339.04

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Solution

The fourth proportional to 20,012,823.45, 27,620,658.05 and 12,671,339.04 is: 17,488,323.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,012,823.45 : 27,620,658.05 = 12,671,339.04 : x
  2. Step 2: Convert to fraction form
    20,012,823.45/27,620,658.05 = 12,671,339.04/x
  3. Step 3: Cross multiply
    20,012,823.45x = 27,620,658.05 × 12,671,339.04
  4. Step 4: Simplify right side
    20,012,823.45x = 349,990,722,596,098.56
  5. Step 5: Solve for x
    x = 349,990,722,596,098.56/20,012,823.45
  6. Step 6: Final answer
    x = 17,488,323.10

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1.5x scale

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.