Home / 14,646,752.57-20,214,611.04-8,121,833.21

Finding the Fourth Proportional to 14,646,752.57, 20,214,611.04 and 8,121,833.21

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Solution

The fourth proportional to 14,646,752.57, 20,214,611.04 and 8,121,833.21 is: 11,209,290.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,646,752.57 : 20,214,611.04 = 8,121,833.21 : x
  2. Step 2: Convert to fraction form
    14,646,752.57/20,214,611.04 = 8,121,833.21/x
  3. Step 3: Cross multiply
    14,646,752.57x = 20,214,611.04 × 8,121,833.21
  4. Step 4: Simplify right side
    14,646,752.57x = 164,179,699,170,831.56
  5. Step 5: Solve for x
    x = 164,179,699,170,831.56/14,646,752.57
  6. Step 6: Final answer
    x = 11,209,290.14

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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.