Home / 39,583,945.40-54,623,089.08-21,942,678.37

Finding the Fourth Proportional to 39,583,945.40, 54,623,089.08 and 21,942,678.37

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Solution

The fourth proportional to 39,583,945.40, 54,623,089.08 and 21,942,678.37 is: 30,279,368.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,583,945.40 : 54,623,089.08 = 21,942,678.37 : x
  2. Step 2: Convert to fraction form
    39,583,945.40/54,623,089.08 = 21,942,678.37/x
  3. Step 3: Cross multiply
    39,583,945.40x = 54,623,089.08 × 21,942,678.37
  4. Step 4: Simplify right side
    39,583,945.40x = 1,198,576,875,035,972.50
  5. Step 5: Solve for x
    x = 1,198,576,875,035,972.50/39,583,945.40
  6. Step 6: Final answer
    x = 30,279,368.64

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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.