Home / 8,221,820.90-11,345,823.36-4,550,744.57

Finding the Fourth Proportional to 8,221,820.90, 11,345,823.36 and 4,550,744.57

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Solution

The fourth proportional to 8,221,820.90, 11,345,823.36 and 4,550,744.57 is: 6,279,867.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,221,820.90 : 11,345,823.36 = 4,550,744.57 : x
  2. Step 2: Convert to fraction form
    8,221,820.90/11,345,823.36 = 4,550,744.57/x
  3. Step 3: Cross multiply
    8,221,820.90x = 11,345,823.36 × 4,550,744.57
  4. Step 4: Simplify right side
    8,221,820.90x = 51,631,944,047,699.16
  5. Step 5: Solve for x
    x = 51,631,944,047,699.16/8,221,820.90
  6. Step 6: Final answer
    x = 6,279,867.28

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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.