Home / 39,001,402.33-53,821,886.65-21,597,726.53

Finding the Fourth Proportional to 39,001,402.33, 53,821,886.65 and 21,597,726.53

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Solution

The fourth proportional to 39,001,402.33, 53,821,886.65 and 21,597,726.53 is: 29,804,835.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,001,402.33 : 53,821,886.65 = 21,597,726.53 : x
  2. Step 2: Convert to fraction form
    39,001,402.33/53,821,886.65 = 21,597,726.53/x
  3. Step 3: Cross multiply
    39,001,402.33x = 53,821,886.65 × 21,597,726.53
  4. Step 4: Simplify right side
    39,001,402.33x = 1,162,430,389,275,918.25
  5. Step 5: Solve for x
    x = 1,162,430,389,275,918.25/39,001,402.33
  6. Step 6: Final answer
    x = 29,804,835.72

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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.