Home / 18,971,481.69-28,457,127.36-4,594,549.10

Finding the Fourth Proportional to 18,971,481.69, 28,457,127.36 and 4,594,549.10

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Solution

The fourth proportional to 18,971,481.69, 28,457,127.36 and 4,594,549.10 is: 6,891,800.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,971,481.69 : 28,457,127.36 = 4,594,549.10 : x
  2. Step 2: Convert to fraction form
    18,971,481.69/28,457,127.36 = 4,594,549.10/x
  3. Step 3: Cross multiply
    18,971,481.69x = 28,457,127.36 × 4,594,549.10
  4. Step 4: Simplify right side
    18,971,481.69x = 130,747,668,758,187.73
  5. Step 5: Solve for x
    x = 130,747,668,758,187.73/18,971,481.69
  6. Step 6: Final answer
    x = 6,891,800.59

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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.