Home / 13,099,906-19,628,135.48-7,966,809.68

Finding the Fourth Proportional to 13,099,906, 19,628,135.48 and 7,966,809.68

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Solution

The fourth proportional to 13,099,906, 19,628,135.48 and 7,966,809.68 is: 11,937,003.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,099,906 : 19,628,135.48 = 7,966,809.68 : x
  2. Step 2: Convert to fraction form
    13,099,906/19,628,135.48 = 7,966,809.68/x
  3. Step 3: Cross multiply
    13,099,906x = 19,628,135.48 × 7,966,809.68
  4. Step 4: Simplify right side
    13,099,906x = 156,373,619,742,415.44
  5. Step 5: Solve for x
    x = 156,373,619,742,415.44/13,099,906
  6. Step 6: Final answer
    x = 11,937,003.19

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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.