Home / 20,157,571.14-27,816,646.80-11,900,293.30

Finding the Fourth Proportional to 20,157,571.14, 27,816,646.80 and 11,900,293.30

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Solution

The fourth proportional to 20,157,571.14, 27,816,646.80 and 11,900,293.30 is: 16,421,931.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,157,571.14 : 27,816,646.80 = 11,900,293.30 : x
  2. Step 2: Convert to fraction form
    20,157,571.14/27,816,646.80 = 11,900,293.30/x
  3. Step 3: Cross multiply
    20,157,571.14x = 27,816,646.80 × 11,900,293.30
  4. Step 4: Simplify right side
    20,157,571.14x = 331,026,255,542,506.50
  5. Step 5: Solve for x
    x = 331,026,255,542,506.50/20,157,571.14
  6. Step 6: Final answer
    x = 16,421,931.65

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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.