Home / 15,520,822.02-21,419,395.26-8,645,302.26

Finding the Fourth Proportional to 15,520,822.02, 21,419,395.26 and 8,645,302.26

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Solution

The fourth proportional to 15,520,822.02, 21,419,395.26 and 8,645,302.26 is: 11,930,885.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,520,822.02 : 21,419,395.26 = 8,645,302.26 : x
  2. Step 2: Convert to fraction form
    15,520,822.02/21,419,395.26 = 8,645,302.26/x
  3. Step 3: Cross multiply
    15,520,822.02x = 21,419,395.26 × 8,645,302.26
  4. Step 4: Simplify right side
    15,520,822.02x = 185,177,146,249,111.31
  5. Step 5: Solve for x
    x = 185,177,146,249,111.31/15,520,822.02
  6. Step 6: Final answer
    x = 11,930,885.23

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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.