Home / 12,301,890.60-18,452,835.90-3,781,119.90

Finding the Fourth Proportional to 12,301,890.60, 18,452,835.90 and 3,781,119.90

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Solution

The fourth proportional to 12,301,890.60, 18,452,835.90 and 3,781,119.90 is: 5,671,679.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,301,890.60 : 18,452,835.90 = 3,781,119.90 : x
  2. Step 2: Convert to fraction form
    12,301,890.60/18,452,835.90 = 3,781,119.90/x
  3. Step 3: Cross multiply
    12,301,890.60x = 18,452,835.90 × 3,781,119.90
  4. Step 4: Simplify right side
    12,301,890.60x = 69,772,385,032,924.41
  5. Step 5: Solve for x
    x = 69,772,385,032,924.41/12,301,890.60
  6. Step 6: Final answer
    x = 5,671,679.85

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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.