Home / 38,784,923.82-58,190,675.40-13,243,869.36

Finding the Fourth Proportional to 38,784,923.82, 58,190,675.40 and 13,243,869.36

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Solution

The fourth proportional to 38,784,923.82, 58,190,675.40 and 13,243,869.36 is: 19,870,342.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,784,923.82 : 58,190,675.40 = 13,243,869.36 : x
  2. Step 2: Convert to fraction form
    38,784,923.82/58,190,675.40 = 13,243,869.36/x
  3. Step 3: Cross multiply
    38,784,923.82x = 58,190,675.40 × 13,243,869.36
  4. Step 4: Simplify right side
    38,784,923.82x = 770,669,702,967,765.75
  5. Step 5: Solve for x
    x = 770,669,702,967,765.75/38,784,923.82
  6. Step 6: Final answer
    x = 19,870,342.06

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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.