Home / 20,629,581.22-28,468,828.02-11,462,223.94

Finding the Fourth Proportional to 20,629,581.22, 28,468,828.02 and 11,462,223.94

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Solution

The fourth proportional to 20,629,581.22, 28,468,828.02 and 11,462,223.94 is: 15,817,872.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,629,581.22 : 28,468,828.02 = 11,462,223.94 : x
  2. Step 2: Convert to fraction form
    20,629,581.22/28,468,828.02 = 11,462,223.94/x
  3. Step 3: Cross multiply
    20,629,581.22x = 28,468,828.02 × 11,462,223.94
  4. Step 4: Simplify right side
    20,629,581.22x = 326,316,082,074,586.75
  5. Step 5: Solve for x
    x = 326,316,082,074,586.75/20,629,581.22
  6. Step 6: Final answer
    x = 15,817,872.34

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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.