Home / 13,781,932.32-20,671,323.84-3,685,340.64

Finding the Fourth Proportional to 13,781,932.32, 20,671,323.84 and 3,685,340.64

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Solution

The fourth proportional to 13,781,932.32, 20,671,323.84 and 3,685,340.64 is: 5,527,589.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,781,932.32 : 20,671,323.84 = 3,685,340.64 : x
  2. Step 2: Convert to fraction form
    13,781,932.32/20,671,323.84 = 3,685,340.64/x
  3. Step 3: Cross multiply
    13,781,932.32x = 20,671,323.84 × 3,685,340.64
  4. Step 4: Simplify right side
    13,781,932.32x = 76,180,869,830,152.86
  5. Step 5: Solve for x
    x = 76,180,869,830,152.86/13,781,932.32
  6. Step 6: Final answer
    x = 5,527,589.90

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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.