Home / 14,005,722.75-19,343,840.63-9,414,072.51

Finding the Fourth Proportional to 14,005,722.75, 19,343,840.63 and 9,414,072.51

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Solution

The fourth proportional to 14,005,722.75, 19,343,840.63 and 9,414,072.51 is: 13,002,136.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,005,722.75 : 19,343,840.63 = 9,414,072.51 : x
  2. Step 2: Convert to fraction form
    14,005,722.75/19,343,840.63 = 9,414,072.51/x
  3. Step 3: Cross multiply
    14,005,722.75x = 19,343,840.63 × 9,414,072.51
  4. Step 4: Simplify right side
    14,005,722.75x = 182,104,318,265,633.72
  5. Step 5: Solve for x
    x = 182,104,318,265,633.72/14,005,722.75
  6. Step 6: Final answer
    x = 13,002,136.45

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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.