Home / 12,693,669.82-19,041,117.09-4,173,817.66

Finding the Fourth Proportional to 12,693,669.82, 19,041,117.09 and 4,173,817.66

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Solution

The fourth proportional to 12,693,669.82, 19,041,117.09 and 4,173,817.66 is: 6,260,927.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,693,669.82 : 19,041,117.09 = 4,173,817.66 : x
  2. Step 2: Convert to fraction form
    12,693,669.82/19,041,117.09 = 4,173,817.66/x
  3. Step 3: Cross multiply
    12,693,669.82x = 19,041,117.09 × 4,173,817.66
  4. Step 4: Simplify right side
    12,693,669.82x = 79,474,150,776,369.81
  5. Step 5: Solve for x
    x = 79,474,150,776,369.81/12,693,669.82
  6. Step 6: Final answer
    x = 6,260,927.84

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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.