Home / 7,117,101.57-10,678,905.51-3,873,780.57

Finding the Fourth Proportional to 7,117,101.57, 10,678,905.51 and 3,873,780.57

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Solution

The fourth proportional to 7,117,101.57, 10,678,905.51 and 3,873,780.57 is: 5,812,441.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,117,101.57 : 10,678,905.51 = 3,873,780.57 : x
  2. Step 2: Convert to fraction form
    7,117,101.57/10,678,905.51 = 3,873,780.57/x
  3. Step 3: Cross multiply
    7,117,101.57x = 10,678,905.51 × 3,873,780.57
  4. Step 4: Simplify right side
    7,117,101.57x = 41,367,736,620,109.41
  5. Step 5: Solve for x
    x = 41,367,736,620,109.41/7,117,101.57
  6. Step 6: Final answer
    x = 5,812,441.52

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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.