Home / 7,196,787.87-9,931,543.14-3,933,600.71

Finding the Fourth Proportional to 7,196,787.87, 9,931,543.14 and 3,933,600.71

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Solution

The fourth proportional to 7,196,787.87, 9,931,543.14 and 3,933,600.71 is: 5,428,355.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,196,787.87 : 9,931,543.14 = 3,933,600.71 : x
  2. Step 2: Convert to fraction form
    7,196,787.87/9,931,543.14 = 3,933,600.71/x
  3. Step 3: Cross multiply
    7,196,787.87x = 9,931,543.14 × 3,933,600.71
  4. Step 4: Simplify right side
    7,196,787.87x = 39,066,725,146,899.63
  5. Step 5: Solve for x
    x = 39,066,725,146,899.63/7,196,787.87
  6. Step 6: Final answer
    x = 5,428,355.80

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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.