Home / 18,443,749.40-27,665,624.10-13,058,480.60

Finding the Fourth Proportional to 18,443,749.40, 27,665,624.10 and 13,058,480.60

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Solution

The fourth proportional to 18,443,749.40, 27,665,624.10 and 13,058,480.60 is: 19,587,720.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,443,749.40 : 27,665,624.10 = 13,058,480.60 : x
  2. Step 2: Convert to fraction form
    18,443,749.40/27,665,624.10 = 13,058,480.60/x
  3. Step 3: Cross multiply
    18,443,749.40x = 27,665,624.10 × 13,058,480.60
  4. Step 4: Simplify right side
    18,443,749.40x = 361,271,015,596,742.50
  5. Step 5: Solve for x
    x = 361,271,015,596,742.50/18,443,749.40
  6. Step 6: Final answer
    x = 19,587,720.90

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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.