Home / 14,137,456.55-19,509,768.26-7,942,764.47

Finding the Fourth Proportional to 14,137,456.55, 19,509,768.26 and 7,942,764.47

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Solution

The fourth proportional to 14,137,456.55, 19,509,768.26 and 7,942,764.47 is: 10,961,058.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,137,456.55 : 19,509,768.26 = 7,942,764.47 : x
  2. Step 2: Convert to fraction form
    14,137,456.55/19,509,768.26 = 7,942,764.47/x
  3. Step 3: Cross multiply
    14,137,456.55x = 19,509,768.26 × 7,942,764.47
  4. Step 4: Simplify right side
    14,137,456.55x = 154,961,494,178,065.84
  5. Step 5: Solve for x
    x = 154,961,494,178,065.84/14,137,456.55
  6. Step 6: Final answer
    x = 10,961,058.92

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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.