Home / 21,644,173.95-29,869,443.44-12,351,558.98

Finding the Fourth Proportional to 21,644,173.95, 29,869,443.44 and 12,351,558.98

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Solution

The fourth proportional to 21,644,173.95, 29,869,443.44 and 12,351,558.98 is: 17,045,427.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,644,173.95 : 29,869,443.44 = 12,351,558.98 : x
  2. Step 2: Convert to fraction form
    21,644,173.95/29,869,443.44 = 12,351,558.98/x
  3. Step 3: Cross multiply
    21,644,173.95x = 29,869,443.44 × 12,351,558.98
  4. Step 4: Simplify right side
    21,644,173.95x = 368,934,192,137,829.06
  5. Step 5: Solve for x
    x = 368,934,192,137,829.06/21,644,173.95
  6. Step 6: Final answer
    x = 17,045,427.24

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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.