Home / 17,967,221.10-26,950,831.65-5,188,142.70

Finding the Fourth Proportional to 17,967,221.10, 26,950,831.65 and 5,188,142.70

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Solution

The fourth proportional to 17,967,221.10, 26,950,831.65 and 5,188,142.70 is: 7,782,214.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,967,221.10 : 26,950,831.65 = 5,188,142.70 : x
  2. Step 2: Convert to fraction form
    17,967,221.10/26,950,831.65 = 5,188,142.70/x
  3. Step 3: Cross multiply
    17,967,221.10x = 26,950,831.65 × 5,188,142.70
  4. Step 4: Simplify right side
    17,967,221.10x = 139,824,760,483,876.45
  5. Step 5: Solve for x
    x = 139,824,760,483,876.45/17,967,221.10
  6. Step 6: Final answer
    x = 7,782,214.05

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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.