Home / 18,756,892.83-28,134,814.37-5,978,164.35

Finding the Fourth Proportional to 18,756,892.83, 28,134,814.37 and 5,978,164.35

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Solution

The fourth proportional to 18,756,892.83, 28,134,814.37 and 5,978,164.35 is: 8,967,079.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,756,892.83 : 28,134,814.37 = 5,978,164.35 : x
  2. Step 2: Convert to fraction form
    18,756,892.83/28,134,814.37 = 5,978,164.35/x
  3. Step 3: Cross multiply
    18,756,892.83x = 28,134,814.37 × 5,978,164.35
  4. Step 4: Simplify right side
    18,756,892.83x = 168,194,544,230,710.88
  5. Step 5: Solve for x
    x = 168,194,544,230,710.88/18,756,892.83
  6. Step 6: Final answer
    x = 8,967,079.24

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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.