Home / 18,751,497.60-28,128,801.60-5,971,641.60

Finding the Fourth Proportional to 18,751,497.60, 28,128,801.60 and 5,971,641.60

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Solution

The fourth proportional to 18,751,497.60, 28,128,801.60 and 5,971,641.60 is: 8,957,957.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,751,497.60 : 28,128,801.60 = 5,971,641.60 : x
  2. Step 2: Convert to fraction form
    18,751,497.60/28,128,801.60 = 5,971,641.60/x
  3. Step 3: Cross multiply
    18,751,497.60x = 28,128,801.60 × 5,971,641.60
  4. Step 4: Simplify right side
    18,751,497.60x = 167,975,121,792,706.56
  5. Step 5: Solve for x
    x = 167,975,121,792,706.56/18,751,497.60
  6. Step 6: Final answer
    x = 8,957,957.67

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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.