Home / 9,128,870.32-12,598,234.70-5,054,489.68

Finding the Fourth Proportional to 9,128,870.32, 12,598,234.70 and 5,054,489.68

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Solution

The fourth proportional to 9,128,870.32, 12,598,234.70 and 5,054,489.68 is: 6,975,413.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,128,870.32 : 12,598,234.70 = 5,054,489.68 : x
  2. Step 2: Convert to fraction form
    9,128,870.32/12,598,234.70 = 5,054,489.68/x
  3. Step 3: Cross multiply
    9,128,870.32x = 12,598,234.70 × 5,054,489.68
  4. Step 4: Simplify right side
    9,128,870.32x = 63,677,647,277,367.89
  5. Step 5: Solve for x
    x = 63,677,647,277,367.89/9,128,870.32
  6. Step 6: Final answer
    x = 6,975,413.72

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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.