Home / 14,040,908.10-21,061,362.15-12,445,272.90

Finding the Fourth Proportional to 14,040,908.10, 21,061,362.15 and 12,445,272.90

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Solution

The fourth proportional to 14,040,908.10, 21,061,362.15 and 12,445,272.90 is: 18,667,909.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,040,908.10 : 21,061,362.15 = 12,445,272.90 : x
  2. Step 2: Convert to fraction form
    14,040,908.10/21,061,362.15 = 12,445,272.90/x
  3. Step 3: Cross multiply
    14,040,908.10x = 21,061,362.15 × 12,445,272.90
  4. Step 4: Simplify right side
    14,040,908.10x = 262,114,399,602,480.72
  5. Step 5: Solve for x
    x = 262,114,399,602,480.72/14,040,908.10
  6. Step 6: Final answer
    x = 18,667,909.35

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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.