Home / 20,166,147.40-30,261,030.90-7,387,943.80

Finding the Fourth Proportional to 20,166,147.40, 30,261,030.90 and 7,387,943.80

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Solution

The fourth proportional to 20,166,147.40, 30,261,030.90 and 7,387,943.80 is: 11,086,242.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,166,147.40 : 30,261,030.90 = 7,387,943.80 : x
  2. Step 2: Convert to fraction form
    20,166,147.40/30,261,030.90 = 7,387,943.80/x
  3. Step 3: Cross multiply
    20,166,147.40x = 30,261,030.90 × 7,387,943.80
  4. Step 4: Simplify right side
    20,166,147.40x = 223,566,795,619,263.41
  5. Step 5: Solve for x
    x = 223,566,795,619,263.41/20,166,147.40
  6. Step 6: Final answer
    x = 11,086,242.26

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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.