Home / 14,305,618.83-19,742,273.13-8,195,228.31

Finding the Fourth Proportional to 14,305,618.83, 19,742,273.13 and 8,195,228.31

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Solution

The fourth proportional to 14,305,618.83, 19,742,273.13 and 8,195,228.31 is: 11,309,712.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,305,618.83 : 19,742,273.13 = 8,195,228.31 : x
  2. Step 2: Convert to fraction form
    14,305,618.83/19,742,273.13 = 8,195,228.31/x
  3. Step 3: Cross multiply
    14,305,618.83x = 19,742,273.13 × 8,195,228.31
  4. Step 4: Simplify right side
    14,305,618.83x = 161,792,435,658,728.28
  5. Step 5: Solve for x
    x = 161,792,435,658,728.28/14,305,618.83
  6. Step 6: Final answer
    x = 11,309,712.47

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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.