Home / 13,480,827.30-20,221,897.05-3,765,429.72

Finding the Fourth Proportional to 13,480,827.30, 20,221,897.05 and 3,765,429.72

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Solution

The fourth proportional to 13,480,827.30, 20,221,897.05 and 3,765,429.72 is: 5,648,327.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,480,827.30 : 20,221,897.05 = 3,765,429.72 : x
  2. Step 2: Convert to fraction form
    13,480,827.30/20,221,897.05 = 3,765,429.72/x
  3. Step 3: Cross multiply
    13,480,827.30x = 20,221,897.05 × 3,765,429.72
  4. Step 4: Simplify right side
    13,480,827.30x = 76,144,132,146,850.33
  5. Step 5: Solve for x
    x = 76,144,132,146,850.33/13,480,827.30
  6. Step 6: Final answer
    x = 5,648,327.84

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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.