Home / 20,318,526.09-30,470,703.26-8,952,774.57

Finding the Fourth Proportional to 20,318,526.09, 30,470,703.26 and 8,952,774.57

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Solution

The fourth proportional to 20,318,526.09, 30,470,703.26 and 8,952,774.57 is: 13,426,039.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,318,526.09 : 30,470,703.26 = 8,952,774.57 : x
  2. Step 2: Convert to fraction form
    20,318,526.09/30,470,703.26 = 8,952,774.57/x
  3. Step 3: Cross multiply
    20,318,526.09x = 30,470,703.26 × 8,952,774.57
  4. Step 4: Simplify right side
    20,318,526.09x = 272,797,337,231,380.22
  5. Step 5: Solve for x
    x = 272,797,337,231,380.22/20,318,526.09
  6. Step 6: Final answer
    x = 13,426,039.67

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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.