Home / 13,980,228.19-19,282,776.83-9,331,669.51

Finding the Fourth Proportional to 13,980,228.19, 19,282,776.83 and 9,331,669.51

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Solution

The fourth proportional to 13,980,228.19, 19,282,776.83 and 9,331,669.51 is: 12,871,070.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,980,228.19 : 19,282,776.83 = 9,331,669.51 : x
  2. Step 2: Convert to fraction form
    13,980,228.19/19,282,776.83 = 9,331,669.51/x
  3. Step 3: Cross multiply
    13,980,228.19x = 19,282,776.83 × 9,331,669.51
  4. Step 4: Simplify right side
    13,980,228.19x = 179,940,500,612,645.44
  5. Step 5: Solve for x
    x = 179,940,500,612,645.44/13,980,228.19
  6. Step 6: Final answer
    x = 12,871,070.36

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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.