Home / 13,641,957.05-18,826,346.31-7,447,334.06

Finding the Fourth Proportional to 13,641,957.05, 18,826,346.31 and 7,447,334.06

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Solution

The fourth proportional to 13,641,957.05, 18,826,346.31 and 7,447,334.06 is: 10,277,564.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,641,957.05 : 18,826,346.31 = 7,447,334.06 : x
  2. Step 2: Convert to fraction form
    13,641,957.05/18,826,346.31 = 7,447,334.06/x
  3. Step 3: Cross multiply
    13,641,957.05x = 18,826,346.31 × 7,447,334.06
  4. Step 4: Simplify right side
    13,641,957.05x = 140,206,089,968,449.91
  5. Step 5: Solve for x
    x = 140,206,089,968,449.91/13,641,957.05
  6. Step 6: Final answer
    x = 10,277,564.24

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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.