Home / 8,518,467.60-12,781,200.60-3,129,699.60

Finding the Fourth Proportional to 8,518,467.60, 12,781,200.60 and 3,129,699.60

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Solution

The fourth proportional to 8,518,467.60, 12,781,200.60 and 3,129,699.60 is: 4,695,835.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,518,467.60 : 12,781,200.60 = 3,129,699.60 : x
  2. Step 2: Convert to fraction form
    8,518,467.60/12,781,200.60 = 3,129,699.60/x
  3. Step 3: Cross multiply
    8,518,467.60x = 12,781,200.60 × 3,129,699.60
  4. Step 4: Simplify right side
    8,518,467.60x = 40,001,318,405,339.76
  5. Step 5: Solve for x
    x = 40,001,318,405,339.76/8,518,467.60
  6. Step 6: Final answer
    x = 4,695,835.01

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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.