Home / 13,202,402.20-19,803,603.30-12,724,105.30

Finding the Fourth Proportional to 13,202,402.20, 19,803,603.30 and 12,724,105.30

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Solution

The fourth proportional to 13,202,402.20, 19,803,603.30 and 12,724,105.30 is: 19,086,157.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,202,402.20 : 19,803,603.30 = 12,724,105.30 : x
  2. Step 2: Convert to fraction form
    13,202,402.20/19,803,603.30 = 12,724,105.30/x
  3. Step 3: Cross multiply
    13,202,402.20x = 19,803,603.30 × 12,724,105.30
  4. Step 4: Simplify right side
    13,202,402.20x = 251,983,133,708,627.50
  5. Step 5: Solve for x
    x = 251,983,133,708,627.50/13,202,402.20
  6. Step 6: Final answer
    x = 19,086,157.95

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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.