Home / 16,821,311.90-25,243,777.65-7,243,564.10

Finding the Fourth Proportional to 16,821,311.90, 25,243,777.65 and 7,243,564.10

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Solution

The fourth proportional to 16,821,311.90, 25,243,777.65 and 7,243,564.10 is: 10,870,431.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,821,311.90 : 25,243,777.65 = 7,243,564.10 : x
  2. Step 2: Convert to fraction form
    16,821,311.90/25,243,777.65 = 7,243,564.10/x
  3. Step 3: Cross multiply
    16,821,311.90x = 25,243,777.65 × 7,243,564.10
  4. Step 4: Simplify right side
    16,821,311.90x = 182,854,921,533,922.34
  5. Step 5: Solve for x
    x = 182,854,921,533,922.34/16,821,311.90
  6. Step 6: Final answer
    x = 10,870,431.67

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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.