Home / 20,854,464.80-31,281,697.20-17,705,184.80

Finding the Fourth Proportional to 20,854,464.80, 31,281,697.20 and 17,705,184.80

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Solution

The fourth proportional to 20,854,464.80, 31,281,697.20 and 17,705,184.80 is: 26,557,777.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,854,464.80 : 31,281,697.20 = 17,705,184.80 : x
  2. Step 2: Convert to fraction form
    20,854,464.80/31,281,697.20 = 17,705,184.80/x
  3. Step 3: Cross multiply
    20,854,464.80x = 31,281,697.20 × 17,705,184.80
  4. Step 4: Simplify right side
    20,854,464.80x = 553,848,229,783,642.56
  5. Step 5: Solve for x
    x = 553,848,229,783,642.56/20,854,464.80
  6. Step 6: Final answer
    x = 26,557,777.20

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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.