Home / 29,172,768.34-40,284,242.85-18,178,281.94

Finding the Fourth Proportional to 29,172,768.34, 40,284,242.85 and 18,178,281.94

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Solution

The fourth proportional to 29,172,768.34, 40,284,242.85 and 18,178,281.94 is: 25,102,119.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,172,768.34 : 40,284,242.85 = 18,178,281.94 : x
  2. Step 2: Convert to fraction form
    29,172,768.34/40,284,242.85 = 18,178,281.94/x
  3. Step 3: Cross multiply
    29,172,768.34x = 40,284,242.85 × 18,178,281.94
  4. Step 4: Simplify right side
    29,172,768.34x = 732,298,324,266,729.25
  5. Step 5: Solve for x
    x = 732,298,324,266,729.25/29,172,768.34
  6. Step 6: Final answer
    x = 25,102,119.75

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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.