Home / 14,137,453.76-19,509,764.40-7,942,761.68

Finding the Fourth Proportional to 14,137,453.76, 19,509,764.40 and 7,942,761.68

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Solution

The fourth proportional to 14,137,453.76, 19,509,764.40 and 7,942,761.68 is: 10,961,055.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,137,453.76 : 19,509,764.40 = 7,942,761.68 : x
  2. Step 2: Convert to fraction form
    14,137,453.76/19,509,764.40 = 7,942,761.68/x
  3. Step 3: Cross multiply
    14,137,453.76x = 19,509,764.40 × 7,942,761.68
  4. Step 4: Simplify right side
    14,137,453.76x = 154,961,408,964,599.34
  5. Step 5: Solve for x
    x = 154,961,408,964,599.34/14,137,453.76
  6. Step 6: Final answer
    x = 10,961,055.06

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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.