Home / 5,909,814.70-8,864,722.05-5,163,318.70

Finding the Fourth Proportional to 5,909,814.70, 8,864,722.05 and 5,163,318.70

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Solution

The fourth proportional to 5,909,814.70, 8,864,722.05 and 5,163,318.70 is: 7,744,978.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,909,814.70 : 8,864,722.05 = 5,163,318.70 : x
  2. Step 2: Convert to fraction form
    5,909,814.70/8,864,722.05 = 5,163,318.70/x
  3. Step 3: Cross multiply
    5,909,814.70x = 8,864,722.05 × 5,163,318.70
  4. Step 4: Simplify right side
    5,909,814.70x = 45,771,385,131,067.34
  5. Step 5: Solve for x
    x = 45,771,385,131,067.34/5,909,814.70
  6. Step 6: Final answer
    x = 7,744,978.05

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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.