Home / 8,142,909.60-12,214,364.40-2,824,125.60

Finding the Fourth Proportional to 8,142,909.60, 12,214,364.40 and 2,824,125.60

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Solution

The fourth proportional to 8,142,909.60, 12,214,364.40 and 2,824,125.60 is: 4,236,188.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,142,909.60 : 12,214,364.40 = 2,824,125.60 : x
  2. Step 2: Convert to fraction form
    8,142,909.60/12,214,364.40 = 2,824,125.60/x
  3. Step 3: Cross multiply
    8,142,909.60x = 12,214,364.40 × 2,824,125.60
  4. Step 4: Simplify right side
    8,142,909.60x = 34,494,899,189,768.64
  5. Step 5: Solve for x
    x = 34,494,899,189,768.64/8,142,909.60
  6. Step 6: Final answer
    x = 4,236,188.40

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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.