Home / 38,903,345.70-53,686,783.80-21,262,604.64

Finding the Fourth Proportional to 38,903,345.70, 53,686,783.80 and 21,262,604.64

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Solution

The fourth proportional to 38,903,345.70, 53,686,783.80 and 21,262,604.64 is: 29,342,485.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,903,345.70 : 53,686,783.80 = 21,262,604.64 : x
  2. Step 2: Convert to fraction form
    38,903,345.70/53,686,783.80 = 21,262,604.64/x
  3. Step 3: Cross multiply
    38,903,345.70x = 53,686,783.80 × 21,262,604.64
  4. Step 4: Simplify right side
    38,903,345.70x = 1,141,520,858,332,556.75
  5. Step 5: Solve for x
    x = 1,141,520,858,332,556.75/38,903,345.70
  6. Step 6: Final answer
    x = 29,342,485.53

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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.