Home / 14,133,078.30-21,199,617.45-13,188,294.30

Finding the Fourth Proportional to 14,133,078.30, 21,199,617.45 and 13,188,294.30

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Solution

The fourth proportional to 14,133,078.30, 21,199,617.45 and 13,188,294.30 is: 19,782,441.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,133,078.30 : 21,199,617.45 = 13,188,294.30 : x
  2. Step 2: Convert to fraction form
    14,133,078.30/21,199,617.45 = 13,188,294.30/x
  3. Step 3: Cross multiply
    14,133,078.30x = 21,199,617.45 × 13,188,294.30
  4. Step 4: Simplify right side
    14,133,078.30x = 279,586,793,978,015.53
  5. Step 5: Solve for x
    x = 279,586,793,978,015.53/14,133,078.30
  6. Step 6: Final answer
    x = 19,782,441.45

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.