Home / 36,888,971.20-55,244,883.30-19,812,000.40

Finding the Fourth Proportional to 36,888,971.20, 55,244,883.30 and 19,812,000.40

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Solution

The fourth proportional to 36,888,971.20, 55,244,883.30 and 19,812,000.40 is: 29,670,430.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,888,971.20 : 55,244,883.30 = 19,812,000.40 : x
  2. Step 2: Convert to fraction form
    36,888,971.20/55,244,883.30 = 19,812,000.40/x
  3. Step 3: Cross multiply
    36,888,971.20x = 55,244,883.30 × 19,812,000.40
  4. Step 4: Simplify right side
    36,888,971.20x = 1,094,511,650,037,553.12
  5. Step 5: Solve for x
    x = 1,094,511,650,037,553.12/36,888,971.20
  6. Step 6: Final answer
    x = 29,670,430.33

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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.