Home / 20,012,934.47-27,620,811.27-12,671,448.84

Finding the Fourth Proportional to 20,012,934.47, 27,620,811.27 and 12,671,448.84

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Solution

The fourth proportional to 20,012,934.47, 27,620,811.27 and 12,671,448.84 is: 17,488,474.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,012,934.47 : 27,620,811.27 = 12,671,448.84 : x
  2. Step 2: Convert to fraction form
    20,012,934.47/27,620,811.27 = 12,671,448.84/x
  3. Step 3: Cross multiply
    20,012,934.47x = 27,620,811.27 × 12,671,448.84
  4. Step 4: Simplify right side
    20,012,934.47x = 349,995,696,927,100.44
  5. Step 5: Solve for x
    x = 349,995,696,927,100.44/20,012,934.47
  6. Step 6: Final answer
    x = 17,488,474.64

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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.