Home / 19,666,631.30-27,130,304.75-13,141,862.60

Finding the Fourth Proportional to 19,666,631.30, 27,130,304.75 and 13,141,862.60

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Solution

The fourth proportional to 19,666,631.30, 27,130,304.75 and 13,141,862.60 is: 18,129,324.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,666,631.30 : 27,130,304.75 = 13,141,862.60 : x
  2. Step 2: Convert to fraction form
    19,666,631.30/27,130,304.75 = 13,141,862.60/x
  3. Step 3: Cross multiply
    19,666,631.30x = 27,130,304.75 × 13,141,862.60
  4. Step 4: Simplify right side
    19,666,631.30x = 356,542,737,119,266.56
  5. Step 5: Solve for x
    x = 356,542,737,119,266.56/19,666,631.30
  6. Step 6: Final answer
    x = 18,129,324.32

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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.