Home / 21,673,402.76-29,908,146.60-12,379,147.64

Finding the Fourth Proportional to 21,673,402.76, 29,908,146.60 and 12,379,147.64

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Solution

The fourth proportional to 21,673,402.76, 29,908,146.60 and 12,379,147.64 is: 17,082,567.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,673,402.76 : 29,908,146.60 = 12,379,147.64 : x
  2. Step 2: Convert to fraction form
    21,673,402.76/29,908,146.60 = 12,379,147.64/x
  3. Step 3: Cross multiply
    21,673,402.76x = 29,908,146.60 × 12,379,147.64
  4. Step 4: Simplify right side
    21,673,402.76x = 370,237,362,400,164.06
  5. Step 5: Solve for x
    x = 370,237,362,400,164.06/21,673,402.76
  6. Step 6: Final answer
    x = 17,082,567.35

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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.