Home / 8,488,947.60-12,733,421.40-2,808,433.80

Finding the Fourth Proportional to 8,488,947.60, 12,733,421.40 and 2,808,433.80

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Solution

The fourth proportional to 8,488,947.60, 12,733,421.40 and 2,808,433.80 is: 4,212,650.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,488,947.60 : 12,733,421.40 = 2,808,433.80 : x
  2. Step 2: Convert to fraction form
    8,488,947.60/12,733,421.40 = 2,808,433.80/x
  3. Step 3: Cross multiply
    8,488,947.60x = 12,733,421.40 × 2,808,433.80
  4. Step 4: Simplify right side
    8,488,947.60x = 35,760,971,049,403.32
  5. Step 5: Solve for x
    x = 35,760,971,049,403.32/8,488,947.60
  6. Step 6: Final answer
    x = 4,212,650.70

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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.