Home / 38,524,510.04-53,162,413.09-21,120,473.39

Finding the Fourth Proportional to 38,524,510.04, 53,162,413.09 and 21,120,473.39

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Solution

The fourth proportional to 38,524,510.04, 53,162,413.09 and 21,120,473.39 is: 29,145,479.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,524,510.04 : 53,162,413.09 = 21,120,473.39 : x
  2. Step 2: Convert to fraction form
    38,524,510.04/53,162,413.09 = 21,120,473.39/x
  3. Step 3: Cross multiply
    38,524,510.04x = 53,162,413.09 × 21,120,473.39
  4. Step 4: Simplify right side
    38,524,510.04x = 1,122,815,330,696,919.50
  5. Step 5: Solve for x
    x = 1,122,815,330,696,919.50/38,524,510.04
  6. Step 6: Final answer
    x = 29,145,479.84

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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.