Home / 9,671,987.68-13,347,342.91-5,320,980.61

Finding the Fourth Proportional to 9,671,987.68, 13,347,342.91 and 5,320,980.61

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Solution

The fourth proportional to 9,671,987.68, 13,347,342.91 and 5,320,980.61 is: 7,342,953.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,671,987.68 : 13,347,342.91 = 5,320,980.61 : x
  2. Step 2: Convert to fraction form
    9,671,987.68/13,347,342.91 = 5,320,980.61/x
  3. Step 3: Cross multiply
    9,671,987.68x = 13,347,342.91 × 5,320,980.61
  4. Step 4: Simplify right side
    9,671,987.68x = 71,020,952,792,413.84
  5. Step 5: Solve for x
    x = 71,020,952,792,413.84/9,671,987.68
  6. Step 6: Final answer
    x = 7,342,953.19

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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.