Home / 8,859,305.60-13,288,958.40-4,380,329.60

Finding the Fourth Proportional to 8,859,305.60, 13,288,958.40 and 4,380,329.60

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Solution

The fourth proportional to 8,859,305.60, 13,288,958.40 and 4,380,329.60 is: 6,570,494.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,859,305.60 : 13,288,958.40 = 4,380,329.60 : x
  2. Step 2: Convert to fraction form
    8,859,305.60/13,288,958.40 = 4,380,329.60/x
  3. Step 3: Cross multiply
    8,859,305.60x = 13,288,958.40 × 4,380,329.60
  4. Step 4: Simplify right side
    8,859,305.60x = 58,210,017,832,688.63
  5. Step 5: Solve for x
    x = 58,210,017,832,688.63/8,859,305.60
  6. Step 6: Final answer
    x = 6,570,494.40

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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.