Home / 8,420,157.61-12,619,498.18-4,103,238.31

Finding the Fourth Proportional to 8,420,157.61, 12,619,498.18 and 4,103,238.31

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Solution

The fourth proportional to 8,420,157.61, 12,619,498.18 and 4,103,238.31 is: 6,149,624.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,420,157.61 : 12,619,498.18 = 4,103,238.31 : x
  2. Step 2: Convert to fraction form
    8,420,157.61/12,619,498.18 = 4,103,238.31/x
  3. Step 3: Cross multiply
    8,420,157.61x = 12,619,498.18 × 4,103,238.31
  4. Step 4: Simplify right side
    8,420,157.61x = 51,780,808,374,893.18
  5. Step 5: Solve for x
    x = 51,780,808,374,893.18/8,420,157.61
  6. Step 6: Final answer
    x = 6,149,624.60

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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.