Home / 39,081,585.06-53,939,055.78-21,683,535.30

Finding the Fourth Proportional to 39,081,585.06, 53,939,055.78 and 21,683,535.30

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Solution

The fourth proportional to 39,081,585.06, 53,939,055.78 and 21,683,535.30 is: 29,926,867.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,081,585.06 : 53,939,055.78 = 21,683,535.30 : x
  2. Step 2: Convert to fraction form
    39,081,585.06/53,939,055.78 = 21,683,535.30/x
  3. Step 3: Cross multiply
    39,081,585.06x = 53,939,055.78 × 21,683,535.30
  4. Step 4: Simplify right side
    39,081,585.06x = 1,169,589,420,054,299
  5. Step 5: Solve for x
    x = 1,169,589,420,054,299/39,081,585.06
  6. Step 6: Final answer
    x = 29,926,867.56

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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.