Home / 20,087,398.44-30,134,976.12-8,572,697.64

Finding the Fourth Proportional to 20,087,398.44, 30,134,976.12 and 8,572,697.64

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Solution

The fourth proportional to 20,087,398.44, 30,134,976.12 and 8,572,697.64 is: 12,860,701.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,087,398.44 : 30,134,976.12 = 8,572,697.64 : x
  2. Step 2: Convert to fraction form
    20,087,398.44/30,134,976.12 = 8,572,697.64/x
  3. Step 3: Cross multiply
    20,087,398.44x = 30,134,976.12 × 8,572,697.64
  4. Step 4: Simplify right side
    20,087,398.44x = 258,338,038,665,380.38
  5. Step 5: Solve for x
    x = 258,338,038,665,380.38/20,087,398.44
  6. Step 6: Final answer
    x = 12,860,701.67

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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.