Home / 15,709,929.20-23,511,749.70-13,796,741.60

Finding the Fourth Proportional to 15,709,929.20, 23,511,749.70 and 13,796,741.60

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Solution

The fourth proportional to 15,709,929.20, 23,511,749.70 and 13,796,741.60 is: 20,648,440.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,709,929.20 : 23,511,749.70 = 13,796,741.60 : x
  2. Step 2: Convert to fraction form
    15,709,929.20/23,511,749.70 = 13,796,741.60/x
  3. Step 3: Cross multiply
    15,709,929.20x = 23,511,749.70 × 13,796,741.60
  4. Step 4: Simplify right side
    15,709,929.20x = 324,385,535,174,777.50
  5. Step 5: Solve for x
    x = 324,385,535,174,777.50/15,709,929.20
  6. Step 6: Final answer
    x = 20,648,440.30

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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.