Home / 38,363,507.40-57,450,782.70-18,145,129.80

Finding the Fourth Proportional to 38,363,507.40, 57,450,782.70 and 18,145,129.80

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Solution

The fourth proportional to 38,363,507.40, 57,450,782.70 and 18,145,129.80 is: 27,173,008.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,363,507.40 : 57,450,782.70 = 18,145,129.80 : x
  2. Step 2: Convert to fraction form
    38,363,507.40/57,450,782.70 = 18,145,129.80/x
  3. Step 3: Cross multiply
    38,363,507.40x = 57,450,782.70 × 18,145,129.80
  4. Step 4: Simplify right side
    38,363,507.40x = 1,042,451,909,203,094.50
  5. Step 5: Solve for x
    x = 1,042,451,909,203,094.50/38,363,507.40
  6. Step 6: Final answer
    x = 27,173,008.41

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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.