Home / 20,214,259.36-30,326,503.88-5,641,177.11

Finding the Fourth Proportional to 20,214,259.36, 30,326,503.88 and 5,641,177.11

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Solution

The fourth proportional to 20,214,259.36, 30,326,503.88 and 5,641,177.11 is: 8,463,193.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,214,259.36 : 30,326,503.88 = 5,641,177.11 : x
  2. Step 2: Convert to fraction form
    20,214,259.36/30,326,503.88 = 5,641,177.11/x
  3. Step 3: Cross multiply
    20,214,259.36x = 30,326,503.88 × 5,641,177.11
  4. Step 4: Simplify right side
    20,214,259.36x = 171,077,179,585,147.34
  5. Step 5: Solve for x
    x = 171,077,179,585,147.34/20,214,259.36
  6. Step 6: Final answer
    x = 8,463,193.06

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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.