Home / 30,654,317.92-45,782,814.64-27,769,919.28

Finding the Fourth Proportional to 30,654,317.92, 45,782,814.64 and 27,769,919.28

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Solution

The fourth proportional to 30,654,317.92, 45,782,814.64 and 27,769,919.28 is: 41,474,909.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,654,317.92 : 45,782,814.64 = 27,769,919.28 : x
  2. Step 2: Convert to fraction form
    30,654,317.92/45,782,814.64 = 27,769,919.28/x
  3. Step 3: Cross multiply
    30,654,317.92x = 45,782,814.64 × 27,769,919.28
  4. Step 4: Simplify right side
    30,654,317.92x = 1,271,385,066,964,002.25
  5. Step 5: Solve for x
    x = 1,271,385,066,964,002.25/30,654,317.92
  6. Step 6: Final answer
    x = 41,474,909.68

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.