Home / 20,291,980.33-30,437,527.09-4,939,351.04

Finding the Fourth Proportional to 20,291,980.33, 30,437,527.09 and 4,939,351.04

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Solution

The fourth proportional to 20,291,980.33, 30,437,527.09 and 4,939,351.04 is: 7,408,918.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,291,980.33 : 30,437,527.09 = 4,939,351.04 : x
  2. Step 2: Convert to fraction form
    20,291,980.33/30,437,527.09 = 4,939,351.04/x
  3. Step 3: Cross multiply
    20,291,980.33x = 30,437,527.09 × 4,939,351.04
  4. Step 4: Simplify right side
    20,291,980.33x = 150,341,631,160,026.41
  5. Step 5: Solve for x
    x = 150,341,631,160,026.41/20,291,980.33
  6. Step 6: Final answer
    x = 7,408,918.63

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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.