Home / 7,176,299.04-9,903,220.64-3,913,105.52

Finding the Fourth Proportional to 7,176,299.04, 9,903,220.64 and 3,913,105.52

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Solution

The fourth proportional to 7,176,299.04, 9,903,220.64 and 3,913,105.52 is: 5,400,046.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,176,299.04 : 9,903,220.64 = 3,913,105.52 : x
  2. Step 2: Convert to fraction form
    7,176,299.04/9,903,220.64 = 3,913,105.52/x
  3. Step 3: Cross multiply
    7,176,299.04x = 9,903,220.64 × 3,913,105.52
  4. Step 4: Simplify right side
    7,176,299.04x = 38,752,347,352,161.94
  5. Step 5: Solve for x
    x = 38,752,347,352,161.94/7,176,299.04
  6. Step 6: Final answer
    x = 5,400,046.34

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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.