Home / 38,487,647.52-53,112,796.56-21,083,968.80

Finding the Fourth Proportional to 38,487,647.52, 53,112,796.56 and 21,083,968.80

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Solution

The fourth proportional to 38,487,647.52, 53,112,796.56 and 21,083,968.80 is: 29,095,790.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,487,647.52 : 53,112,796.56 = 21,083,968.80 : x
  2. Step 2: Convert to fraction form
    38,487,647.52/53,112,796.56 = 21,083,968.80/x
  3. Step 3: Cross multiply
    38,487,647.52x = 53,112,796.56 × 21,083,968.80
  4. Step 4: Simplify right side
    38,487,647.52x = 1,119,828,545,551,787.38
  5. Step 5: Solve for x
    x = 1,119,828,545,551,787.38/38,487,647.52
  6. Step 6: Final answer
    x = 29,095,790.93

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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.