Home / 38,765,100.07-53,496,196.83-21,362,068.06

Finding the Fourth Proportional to 38,765,100.07, 53,496,196.83 and 21,362,068.06

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Solution

The fourth proportional to 38,765,100.07, 53,496,196.83 and 21,362,068.06 is: 29,479,851.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,765,100.07 : 53,496,196.83 = 21,362,068.06 : x
  2. Step 2: Convert to fraction form
    38,765,100.07/53,496,196.83 = 21,362,068.06/x
  3. Step 3: Cross multiply
    38,765,100.07x = 53,496,196.83 × 21,362,068.06
  4. Step 4: Simplify right side
    38,765,100.07x = 1,142,789,397,633,616.25
  5. Step 5: Solve for x
    x = 1,142,789,397,633,616.25/38,765,100.07
  6. Step 6: Final answer
    x = 29,479,851.61

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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.