Home / 14,172,822.40-21,255,086.40-5,073,865.60

Finding the Fourth Proportional to 14,172,822.40, 21,255,086.40 and 5,073,865.60

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Solution

The fourth proportional to 14,172,822.40, 21,255,086.40 and 5,073,865.60 is: 7,609,313.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,172,822.40 : 21,255,086.40 = 5,073,865.60 : x
  2. Step 2: Convert to fraction form
    14,172,822.40/21,255,086.40 = 5,073,865.60/x
  3. Step 3: Cross multiply
    14,172,822.40x = 21,255,086.40 × 5,073,865.60
  4. Step 4: Simplify right side
    14,172,822.40x = 107,845,451,709,987.83
  5. Step 5: Solve for x
    x = 107,845,451,709,987.83/14,172,822.40
  6. Step 6: Final answer
    x = 7,609,313.70

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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.