Home / 12,823,945.20-19,263,911.40-9,044,809.20

Finding the Fourth Proportional to 12,823,945.20, 19,263,911.40 and 9,044,809.20

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Solution

The fourth proportional to 12,823,945.20, 19,263,911.40 and 9,044,809.20 is: 13,586,957.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,823,945.20 : 19,263,911.40 = 9,044,809.20 : x
  2. Step 2: Convert to fraction form
    12,823,945.20/19,263,911.40 = 9,044,809.20/x
  3. Step 3: Cross multiply
    12,823,945.20x = 19,263,911.40 × 9,044,809.20
  4. Step 4: Simplify right side
    12,823,945.20x = 174,238,403,058,704.84
  5. Step 5: Solve for x
    x = 174,238,403,058,704.84/12,823,945.20
  6. Step 6: Final answer
    x = 13,586,957.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.