Home / 7,046,479.89-9,724,894.97-3,990,822.93

Finding the Fourth Proportional to 7,046,479.89, 9,724,894.97 and 3,990,822.93

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Solution

The fourth proportional to 7,046,479.89, 9,724,894.97 and 3,990,822.93 is: 5,507,761.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,046,479.89 : 9,724,894.97 = 3,990,822.93 : x
  2. Step 2: Convert to fraction form
    7,046,479.89/9,724,894.97 = 3,990,822.93/x
  3. Step 3: Cross multiply
    7,046,479.89x = 9,724,894.97 × 3,990,822.93
  4. Step 4: Simplify right side
    7,046,479.89x = 38,810,333,818,163.55
  5. Step 5: Solve for x
    x = 38,810,333,818,163.55/7,046,479.89
  6. Step 6: Final answer
    x = 5,507,761.95

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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.