Home / 15,201,213.77-20,977,695.23-8,231,903.34

Finding the Fourth Proportional to 15,201,213.77, 20,977,695.23 and 8,231,903.34

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Solution

The fourth proportional to 15,201,213.77, 20,977,695.23 and 8,231,903.34 is: 11,360,037.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,201,213.77 : 20,977,695.23 = 8,231,903.34 : x
  2. Step 2: Convert to fraction form
    15,201,213.77/20,977,695.23 = 8,231,903.34/x
  3. Step 3: Cross multiply
    15,201,213.77x = 20,977,695.23 × 8,231,903.34
  4. Step 4: Simplify right side
    15,201,213.77x = 172,686,359,429,339.06
  5. Step 5: Solve for x
    x = 172,686,359,429,339.06/15,201,213.77
  6. Step 6: Final answer
    x = 11,360,037.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.