Home / 39,874,191.64-55,026,433.56-21,539,477.14

Finding the Fourth Proportional to 39,874,191.64, 55,026,433.56 and 21,539,477.14

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Solution

The fourth proportional to 39,874,191.64, 55,026,433.56 and 21,539,477.14 is: 29,724,504.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,874,191.64 : 55,026,433.56 = 21,539,477.14 : x
  2. Step 2: Convert to fraction form
    39,874,191.64/55,026,433.56 = 21,539,477.14/x
  3. Step 3: Cross multiply
    39,874,191.64x = 55,026,433.56 × 21,539,477.14
  4. Step 4: Simplify right side
    39,874,191.64x = 1,185,240,607,761,349
  5. Step 5: Solve for x
    x = 1,185,240,607,761,349/39,874,191.64
  6. Step 6: Final answer
    x = 29,724,504.97

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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.