Home / 13,007,222.96-17,948,658.47-7,204,920.80

Finding the Fourth Proportional to 13,007,222.96, 17,948,658.47 and 7,204,920.80

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Solution

The fourth proportional to 13,007,222.96, 17,948,658.47 and 7,204,920.80 is: 9,942,065.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,007,222.96 : 17,948,658.47 = 7,204,920.80 : x
  2. Step 2: Convert to fraction form
    13,007,222.96/17,948,658.47 = 7,204,920.80/x
  3. Step 3: Cross multiply
    13,007,222.96x = 17,948,658.47 × 7,204,920.80
  4. Step 4: Simplify right side
    13,007,222.96x = 129,318,662,616,831.28
  5. Step 5: Solve for x
    x = 129,318,662,616,831.28/13,007,222.96
  6. Step 6: Final answer
    x = 9,942,065.50

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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.