Home / 38,702,796.94-53,409,844.33-21,299,142.16

Finding the Fourth Proportional to 38,702,796.94, 53,409,844.33 and 21,299,142.16

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Solution

The fourth proportional to 38,702,796.94, 53,409,844.33 and 21,299,142.16 is: 29,392,807.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,702,796.94 : 53,409,844.33 = 21,299,142.16 : x
  2. Step 2: Convert to fraction form
    38,702,796.94/53,409,844.33 = 21,299,142.16/x
  3. Step 3: Cross multiply
    38,702,796.94x = 53,409,844.33 × 21,299,142.16
  4. Step 4: Simplify right side
    38,702,796.94x = 1,137,583,867,128,140
  5. Step 5: Solve for x
    x = 1,137,583,867,128,140/38,702,796.94
  6. Step 6: Final answer
    x = 29,392,807.68

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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.