Home / 14,123,999.70-21,185,999.55-3,888,839.70

Finding the Fourth Proportional to 14,123,999.70, 21,185,999.55 and 3,888,839.70

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Solution

The fourth proportional to 14,123,999.70, 21,185,999.55 and 3,888,839.70 is: 5,833,259.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,123,999.70 : 21,185,999.55 = 3,888,839.70 : x
  2. Step 2: Convert to fraction form
    14,123,999.70/21,185,999.55 = 3,888,839.70/x
  3. Step 3: Cross multiply
    14,123,999.70x = 21,185,999.55 × 3,888,839.70
  4. Step 4: Simplify right side
    14,123,999.70x = 82,388,956,134,222.14
  5. Step 5: Solve for x
    x = 82,388,956,134,222.14/14,123,999.70
  6. Step 6: Final answer
    x = 5,833,259.55

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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.