Home / 20,012,632.80-30,018,949.20-4,866,564.30

Finding the Fourth Proportional to 20,012,632.80, 30,018,949.20 and 4,866,564.30

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Solution

The fourth proportional to 20,012,632.80, 30,018,949.20 and 4,866,564.30 is: 7,299,846.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,012,632.80 : 30,018,949.20 = 4,866,564.30 : x
  2. Step 2: Convert to fraction form
    20,012,632.80/30,018,949.20 = 4,866,564.30/x
  3. Step 3: Cross multiply
    20,012,632.80x = 30,018,949.20 × 4,866,564.30
  4. Step 4: Simplify right side
    20,012,632.80x = 146,089,146,500,233.56
  5. Step 5: Solve for x
    x = 146,089,146,500,233.56/20,012,632.80
  6. Step 6: Final answer
    x = 7,299,846.45

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Similar ratio
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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.