Home / 8,099,462.40-12,149,323.20-2,115,830.40

Finding the Fourth Proportional to 8,099,462.40, 12,149,323.20 and 2,115,830.40

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Solution

The fourth proportional to 8,099,462.40, 12,149,323.20 and 2,115,830.40 is: 3,173,779.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,099,462.40 : 12,149,323.20 = 2,115,830.40 : x
  2. Step 2: Convert to fraction form
    8,099,462.40/12,149,323.20 = 2,115,830.40/x
  3. Step 3: Cross multiply
    8,099,462.40x = 12,149,323.20 × 2,115,830.40
  4. Step 4: Simplify right side
    8,099,462.40x = 25,705,907,365,985.28
  5. Step 5: Solve for x
    x = 25,705,907,365,985.28/8,099,462.40
  6. Step 6: Final answer
    x = 3,173,779.46

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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.