Home / 8,313,639.61-11,472,714.29-4,642,620.69

Finding the Fourth Proportional to 8,313,639.61, 11,472,714.29 and 4,642,620.69

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Solution

The fourth proportional to 8,313,639.61, 11,472,714.29 and 4,642,620.69 is: 6,406,756.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,313,639.61 : 11,472,714.29 = 4,642,620.69 : x
  2. Step 2: Convert to fraction form
    8,313,639.61/11,472,714.29 = 4,642,620.69/x
  3. Step 3: Cross multiply
    8,313,639.61x = 11,472,714.29 × 4,642,620.69
  4. Step 4: Simplify right side
    8,313,639.61x = 53,263,460,733,212.66
  5. Step 5: Solve for x
    x = 53,263,460,733,212.66/8,313,639.61
  6. Step 6: Final answer
    x = 6,406,756.03

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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.