Home / 13,731,023.40-20,620,154.70-9,715,691.40

Finding the Fourth Proportional to 13,731,023.40, 20,620,154.70 and 9,715,691.40

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Solution

The fourth proportional to 13,731,023.40, 20,620,154.70 and 9,715,691.40 is: 14,590,249.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,731,023.40 : 20,620,154.70 = 9,715,691.40 : x
  2. Step 2: Convert to fraction form
    13,731,023.40/20,620,154.70 = 9,715,691.40/x
  3. Step 3: Cross multiply
    13,731,023.40x = 20,620,154.70 × 9,715,691.40
  4. Step 4: Simplify right side
    13,731,023.40x = 200,339,059,685,459.59
  5. Step 5: Solve for x
    x = 200,339,059,685,459.59/13,731,023.40
  6. Step 6: Final answer
    x = 14,590,249.67

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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.