Home / 15,617,328.66-21,551,763.42-8,999,485.83

Finding the Fourth Proportional to 15,617,328.66, 21,551,763.42 and 8,999,485.83

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Solution

The fourth proportional to 15,617,328.66, 21,551,763.42 and 8,999,485.83 is: 12,419,203.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,617,328.66 : 21,551,763.42 = 8,999,485.83 : x
  2. Step 2: Convert to fraction form
    15,617,328.66/21,551,763.42 = 8,999,485.83/x
  3. Step 3: Cross multiply
    15,617,328.66x = 21,551,763.42 × 8,999,485.83
  4. Step 4: Simplify right side
    15,617,328.66x = 193,954,789,509,802.34
  5. Step 5: Solve for x
    x = 193,954,789,509,802.34/15,617,328.66
  6. Step 6: Final answer
    x = 12,419,203.93

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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.