Home / 37,936,620.51-52,346,964.12-21,189,296.66

Finding the Fourth Proportional to 37,936,620.51, 52,346,964.12 and 21,189,296.66

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Solution

The fourth proportional to 37,936,620.51, 52,346,964.12 and 21,189,296.66 is: 29,238,117.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,936,620.51 : 52,346,964.12 = 21,189,296.66 : x
  2. Step 2: Convert to fraction form
    37,936,620.51/52,346,964.12 = 21,189,296.66/x
  3. Step 3: Cross multiply
    37,936,620.51x = 52,346,964.12 × 21,189,296.66
  4. Step 4: Simplify right side
    37,936,620.51x = 1,109,195,352,119,923.25
  5. Step 5: Solve for x
    x = 1,109,195,352,119,923.25/37,936,620.51
  6. Step 6: Final answer
    x = 29,238,117.08

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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.