Home / 30,109,155.12-41,552,688.24-17,056,521.36

Finding the Fourth Proportional to 30,109,155.12, 41,552,688.24 and 17,056,521.36

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Solution

The fourth proportional to 30,109,155.12, 41,552,688.24 and 17,056,521.36 is: 23,539,163.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,109,155.12 : 41,552,688.24 = 17,056,521.36 : x
  2. Step 2: Convert to fraction form
    30,109,155.12/41,552,688.24 = 17,056,521.36/x
  3. Step 3: Cross multiply
    30,109,155.12x = 41,552,688.24 × 17,056,521.36
  4. Step 4: Simplify right side
    30,109,155.12x = 708,744,314,530,980.88
  5. Step 5: Solve for x
    x = 708,744,314,530,980.88/30,109,155.12
  6. Step 6: Final answer
    x = 23,539,163.15

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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.