Home / 38,907,320.90-53,692,501.19-21,266,727.39

Finding the Fourth Proportional to 38,907,320.90, 53,692,501.19 and 21,266,727.39

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Solution

The fourth proportional to 38,907,320.90, 53,692,501.19 and 21,266,727.39 is: 29,348,301.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,907,320.90 : 53,692,501.19 = 21,266,727.39 : x
  2. Step 2: Convert to fraction form
    38,907,320.90/53,692,501.19 = 21,266,727.39/x
  3. Step 3: Cross multiply
    38,907,320.90x = 53,692,501.19 × 21,266,727.39
  4. Step 4: Simplify right side
    38,907,320.90x = 1,141,863,785,588,647
  5. Step 5: Solve for x
    x = 1,141,863,785,588,647/38,907,320.90
  6. Step 6: Final answer
    x = 29,348,301.54

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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.