Home / 20,175,200.34-27,809,252.28-13,646,448.87

Finding the Fourth Proportional to 20,175,200.34, 27,809,252.28 and 13,646,448.87

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Solution

The fourth proportional to 20,175,200.34, 27,809,252.28 and 13,646,448.87 is: 18,810,100.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,175,200.34 : 27,809,252.28 = 13,646,448.87 : x
  2. Step 2: Convert to fraction form
    20,175,200.34/27,809,252.28 = 13,646,448.87/x
  3. Step 3: Cross multiply
    20,175,200.34x = 27,809,252.28 × 13,646,448.87
  4. Step 4: Simplify right side
    20,175,200.34x = 379,497,539,351,950.94
  5. Step 5: Solve for x
    x = 379,497,539,351,950.94/20,175,200.34
  6. Step 6: Final answer
    x = 18,810,100.17

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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.