Home / 39,139,634.06-54,011,215.27-21,737,100.29

Finding the Fourth Proportional to 39,139,634.06, 54,011,215.27 and 21,737,100.29

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Solution

The fourth proportional to 39,139,634.06, 54,011,215.27 and 21,737,100.29 is: 29,996,376.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,139,634.06 : 54,011,215.27 = 21,737,100.29 : x
  2. Step 2: Convert to fraction form
    39,139,634.06/54,011,215.27 = 21,737,100.29/x
  3. Step 3: Cross multiply
    39,139,634.06x = 54,011,215.27 × 21,737,100.29
  4. Step 4: Simplify right side
    39,139,634.06x = 1,174,047,203,108,769.50
  5. Step 5: Solve for x
    x = 1,174,047,203,108,769.50/39,139,634.06
  6. Step 6: Final answer
    x = 29,996,376.60

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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.