Home / 38,842,103.64-53,598,286.81-21,437,327.87

Finding the Fourth Proportional to 38,842,103.64, 53,598,286.81 and 21,437,327.87

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Solution

The fourth proportional to 38,842,103.64, 53,598,286.81 and 21,437,327.87 is: 29,581,406.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,842,103.64 : 53,598,286.81 = 21,437,327.87 : x
  2. Step 2: Convert to fraction form
    38,842,103.64/53,598,286.81 = 21,437,327.87/x
  3. Step 3: Cross multiply
    38,842,103.64x = 53,598,286.81 × 21,437,327.87
  4. Step 4: Simplify right side
    38,842,103.64x = 1,149,004,047,576,065.25
  5. Step 5: Solve for x
    x = 1,149,004,047,576,065.25/38,842,103.64
  6. Step 6: Final answer
    x = 29,581,406.25

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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.