Home / 21,315,244.56-29,413,259.28-12,022,302.48

Finding the Fourth Proportional to 21,315,244.56, 29,413,259.28 and 12,022,302.48

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Solution

The fourth proportional to 21,315,244.56, 29,413,259.28 and 12,022,302.48 is: 16,589,774.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,315,244.56 : 29,413,259.28 = 12,022,302.48 : x
  2. Step 2: Convert to fraction form
    21,315,244.56/29,413,259.28 = 12,022,302.48/x
  3. Step 3: Cross multiply
    21,315,244.56x = 29,413,259.28 × 12,022,302.48
  4. Step 4: Simplify right side
    21,315,244.56x = 353,615,099,986,827.06
  5. Step 5: Solve for x
    x = 353,615,099,986,827.06/21,315,244.56
  6. Step 6: Final answer
    x = 16,589,774.47

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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.