Home / 9,188,143.28-12,679,413.96-5,058,140.84

Finding the Fourth Proportional to 9,188,143.28, 12,679,413.96 and 5,058,140.84

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Solution

The fourth proportional to 9,188,143.28, 12,679,413.96 and 5,058,140.84 is: 6,980,111.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,188,143.28 : 12,679,413.96 = 5,058,140.84 : x
  2. Step 2: Convert to fraction form
    9,188,143.28/12,679,413.96 = 5,058,140.84/x
  3. Step 3: Cross multiply
    9,188,143.28x = 12,679,413.96 × 5,058,140.84
  4. Step 4: Simplify right side
    9,188,143.28x = 64,134,261,578,342.13
  5. Step 5: Solve for x
    x = 64,134,261,578,342.13/9,188,143.28
  6. Step 6: Final answer
    x = 6,980,111.17

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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.