Home / 20,918,706.44-31,360,088.64-7,270,079.57

Finding the Fourth Proportional to 20,918,706.44, 31,360,088.64 and 7,270,079.57

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Solution

The fourth proportional to 20,918,706.44, 31,360,088.64 and 7,270,079.57 is: 10,898,873.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,918,706.44 : 31,360,088.64 = 7,270,079.57 : x
  2. Step 2: Convert to fraction form
    20,918,706.44/31,360,088.64 = 7,270,079.57/x
  3. Step 3: Cross multiply
    20,918,706.44x = 31,360,088.64 × 7,270,079.57
  4. Step 4: Simplify right side
    20,918,706.44x = 227,990,339,735,053.09
  5. Step 5: Solve for x
    x = 227,990,339,735,053.09/20,918,706.44
  6. Step 6: Final answer
    x = 10,898,873.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.