Home / 39,141,974.84-54,016,051.64-21,738,320.24

Finding the Fourth Proportional to 39,141,974.84, 54,016,051.64 and 21,738,320.24

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Solution

The fourth proportional to 39,141,974.84, 54,016,051.64 and 21,738,320.24 is: 29,998,952.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,141,974.84 : 54,016,051.64 = 21,738,320.24 : x
  2. Step 2: Convert to fraction form
    39,141,974.84/54,016,051.64 = 21,738,320.24/x
  3. Step 3: Cross multiply
    39,141,974.84x = 54,016,051.64 × 21,738,320.24
  4. Step 4: Simplify right side
    39,141,974.84x = 1,174,218,228,271,925.25
  5. Step 5: Solve for x
    x = 1,174,218,228,271,925.25/39,141,974.84
  6. Step 6: Final answer
    x = 29,998,952.10

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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.