Home / 20,578,073.12-30,840,201.38-8,433,317.67

Finding the Fourth Proportional to 20,578,073.12, 30,840,201.38 and 8,433,317.67

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Solution

The fourth proportional to 20,578,073.12, 30,840,201.38 and 8,433,317.67 is: 12,638,948.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,578,073.12 : 30,840,201.38 = 8,433,317.67 : x
  2. Step 2: Convert to fraction form
    20,578,073.12/30,840,201.38 = 8,433,317.67/x
  3. Step 3: Cross multiply
    20,578,073.12x = 30,840,201.38 × 8,433,317.67
  4. Step 4: Simplify right side
    20,578,073.12x = 260,085,215,244,312.38
  5. Step 5: Solve for x
    x = 260,085,215,244,312.38/20,578,073.12
  6. Step 6: Final answer
    x = 12,638,948.93

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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.