Home / 36,888,971.70-55,244,884.05-19,812,000.90

Finding the Fourth Proportional to 36,888,971.70, 55,244,884.05 and 19,812,000.90

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Solution

The fourth proportional to 36,888,971.70, 55,244,884.05 and 19,812,000.90 is: 29,670,431.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,888,971.70 : 55,244,884.05 = 19,812,000.90 : x
  2. Step 2: Convert to fraction form
    36,888,971.70/55,244,884.05 = 19,812,000.90/x
  3. Step 3: Cross multiply
    36,888,971.70x = 55,244,884.05 × 19,812,000.90
  4. Step 4: Simplify right side
    36,888,971.70x = 1,094,511,692,518,995.50
  5. Step 5: Solve for x
    x = 1,094,511,692,518,995.50/36,888,971.70
  6. Step 6: Final answer
    x = 29,670,431.08

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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.