Home / 9,489,543.80-13,095,632.61-5,138,630.30

Finding the Fourth Proportional to 9,489,543.80, 13,095,632.61 and 5,138,630.30

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Solution

The fourth proportional to 9,489,543.80, 13,095,632.61 and 5,138,630.30 is: 7,091,343.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,489,543.80 : 13,095,632.61 = 5,138,630.30 : x
  2. Step 2: Convert to fraction form
    9,489,543.80/13,095,632.61 = 5,138,630.30/x
  3. Step 3: Cross multiply
    9,489,543.80x = 13,095,632.61 × 5,138,630.30
  4. Step 4: Simplify right side
    9,489,543.80x = 67,293,614,560,153.16
  5. Step 5: Solve for x
    x = 67,293,614,560,153.16/9,489,543.80
  6. Step 6: Final answer
    x = 7,091,343.48

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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.