Home / 21,049,164.64-29,047,847.40-11,391,372.64

Finding the Fourth Proportional to 21,049,164.64, 29,047,847.40 and 11,391,372.64

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Solution

The fourth proportional to 21,049,164.64, 29,047,847.40 and 11,391,372.64 is: 15,720,094.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,049,164.64 : 29,047,847.40 = 11,391,372.64 : x
  2. Step 2: Convert to fraction form
    21,049,164.64/29,047,847.40 = 11,391,372.64/x
  3. Step 3: Cross multiply
    21,049,164.64x = 29,047,847.40 × 11,391,372.64
  4. Step 4: Simplify right side
    21,049,164.64x = 330,894,854,123,255.12
  5. Step 5: Solve for x
    x = 330,894,854,123,255.12/21,049,164.64
  6. Step 6: Final answer
    x = 15,720,094.35

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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.