Home / 21,362,926.08-29,482,018.56-12,198,512.64

Finding the Fourth Proportional to 21,362,926.08, 29,482,018.56 and 12,198,512.64

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Solution

The fourth proportional to 21,362,926.08, 29,482,018.56 and 12,198,512.64 is: 16,834,621.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,362,926.08 : 29,482,018.56 = 12,198,512.64 : x
  2. Step 2: Convert to fraction form
    21,362,926.08/29,482,018.56 = 12,198,512.64/x
  3. Step 3: Cross multiply
    21,362,926.08x = 29,482,018.56 × 12,198,512.64
  4. Step 4: Simplify right side
    21,362,926.08x = 359,636,776,056,874.62
  5. Step 5: Solve for x
    x = 359,636,776,056,874.62/21,362,926.08
  6. Step 6: Final answer
    x = 16,834,621.56

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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.