Home / 19,571,842.70-29,357,764.05-15,540,764.30

Finding the Fourth Proportional to 19,571,842.70, 29,357,764.05 and 15,540,764.30

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Solution

The fourth proportional to 19,571,842.70, 29,357,764.05 and 15,540,764.30 is: 23,311,146.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,571,842.70 : 29,357,764.05 = 15,540,764.30 : x
  2. Step 2: Convert to fraction form
    19,571,842.70/29,357,764.05 = 15,540,764.30/x
  3. Step 3: Cross multiply
    19,571,842.70x = 29,357,764.05 × 15,540,764.30
  4. Step 4: Simplify right side
    19,571,842.70x = 456,242,091,476,063.44
  5. Step 5: Solve for x
    x = 456,242,091,476,063.44/19,571,842.70
  6. Step 6: Final answer
    x = 23,311,146.45

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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.