Home / 21,463,895.81-29,617,487.82-14,509,704.32

Finding the Fourth Proportional to 21,463,895.81, 29,617,487.82 and 14,509,704.32

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Solution

The fourth proportional to 21,463,895.81, 29,617,487.82 and 14,509,704.32 is: 20,021,574.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,463,895.81 : 29,617,487.82 = 14,509,704.32 : x
  2. Step 2: Convert to fraction form
    21,463,895.81/29,617,487.82 = 14,509,704.32/x
  3. Step 3: Cross multiply
    21,463,895.81x = 29,617,487.82 × 14,509,704.32
  4. Step 4: Simplify right side
    21,463,895.81x = 429,740,990,932,379.50
  5. Step 5: Solve for x
    x = 429,740,990,932,379.50/21,463,895.81
  6. Step 6: Final answer
    x = 20,021,574.59

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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.