Home / 9,707,413.76-13,396,214.88-5,356,496.64

Finding the Fourth Proportional to 9,707,413.76, 13,396,214.88 and 5,356,496.64

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Solution

The fourth proportional to 9,707,413.76, 13,396,214.88 and 5,356,496.64 is: 7,391,956.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,707,413.76 : 13,396,214.88 = 5,356,496.64 : x
  2. Step 2: Convert to fraction form
    9,707,413.76/13,396,214.88 = 5,356,496.64/x
  3. Step 3: Cross multiply
    9,707,413.76x = 13,396,214.88 × 5,356,496.64
  4. Step 4: Simplify right side
    9,707,413.76x = 71,756,779,993,438
  5. Step 5: Solve for x
    x = 71,756,779,993,438/9,707,413.76
  6. Step 6: Final answer
    x = 7,391,956.47

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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.