Home / 20,549,325.72-30,821,539.16-5,404,438.20

Finding the Fourth Proportional to 20,549,325.72, 30,821,539.16 and 5,404,438.20

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Solution

The fourth proportional to 20,549,325.72, 30,821,539.16 and 5,404,438.20 is: 8,106,013.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,549,325.72 : 30,821,539.16 = 5,404,438.20 : x
  2. Step 2: Convert to fraction form
    20,549,325.72/30,821,539.16 = 5,404,438.20/x
  3. Step 3: Cross multiply
    20,549,325.72x = 30,821,539.16 × 5,404,438.20
  4. Step 4: Simplify right side
    20,549,325.72x = 166,573,103,619,099.91
  5. Step 5: Solve for x
    x = 166,573,103,619,099.91/20,549,325.72
  6. Step 6: Final answer
    x = 8,106,013.11

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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.