Home / 8,117,223.68-11,196,373.68-5,220,279.20

Finding the Fourth Proportional to 8,117,223.68, 11,196,373.68 and 5,220,279.20

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Solution

The fourth proportional to 8,117,223.68, 11,196,373.68 and 5,220,279.20 is: 7,200,515.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,117,223.68 : 11,196,373.68 = 5,220,279.20 : x
  2. Step 2: Convert to fraction form
    8,117,223.68/11,196,373.68 = 5,220,279.20/x
  3. Step 3: Cross multiply
    8,117,223.68x = 11,196,373.68 × 5,220,279.20
  4. Step 4: Simplify right side
    8,117,223.68x = 58,448,196,637,131.45
  5. Step 5: Solve for x
    x = 58,448,196,637,131.45/8,117,223.68
  6. Step 6: Final answer
    x = 7,200,515.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.