Home / 13,889,618.61-19,161,304.63-8,996,413.88

Finding the Fourth Proportional to 13,889,618.61, 19,161,304.63 and 8,996,413.88

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Solution

The fourth proportional to 13,889,618.61, 19,161,304.63 and 8,996,413.88 is: 12,410,925.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,889,618.61 : 19,161,304.63 = 8,996,413.88 : x
  2. Step 2: Convert to fraction form
    13,889,618.61/19,161,304.63 = 8,996,413.88/x
  3. Step 3: Cross multiply
    13,889,618.61x = 19,161,304.63 × 8,996,413.88
  4. Step 4: Simplify right side
    13,889,618.61x = 172,383,026,813,942.72
  5. Step 5: Solve for x
    x = 172,383,026,813,942.72/13,889,618.61
  6. Step 6: Final answer
    x = 12,410,925.86

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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.