Home / 9,990,975.44-13,786,297.80-5,639,525.84

Finding the Fourth Proportional to 9,990,975.44, 13,786,297.80 and 5,639,525.84

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Solution

The fourth proportional to 9,990,975.44, 13,786,297.80 and 5,639,525.84 is: 7,781,841.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,990,975.44 : 13,786,297.80 = 5,639,525.84 : x
  2. Step 2: Convert to fraction form
    9,990,975.44/13,786,297.80 = 5,639,525.84/x
  3. Step 3: Cross multiply
    9,990,975.44x = 13,786,297.80 × 5,639,525.84
  4. Step 4: Simplify right side
    9,990,975.44x = 77,748,182,681,035.16
  5. Step 5: Solve for x
    x = 77,748,182,681,035.16/9,990,975.44
  6. Step 6: Final answer
    x = 7,781,841.04

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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.