Home / 39,930,499.13-55,104,089.06-21,595,784.63

Finding the Fourth Proportional to 39,930,499.13, 55,104,089.06 and 21,595,784.63

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Solution

The fourth proportional to 39,930,499.13, 55,104,089.06 and 21,595,784.63 is: 29,802,182.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,930,499.13 : 55,104,089.06 = 21,595,784.63 : x
  2. Step 2: Convert to fraction form
    39,930,499.13/55,104,089.06 = 21,595,784.63/x
  3. Step 3: Cross multiply
    39,930,499.13x = 55,104,089.06 × 21,595,784.63
  4. Step 4: Simplify right side
    39,930,499.13x = 1,190,016,039,350,568.25
  5. Step 5: Solve for x
    x = 1,190,016,039,350,568.25/39,930,499.13
  6. Step 6: Final answer
    x = 29,802,182.93

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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.