Home / 13,341,880.30-18,413,769.27-8,447,557.36

Finding the Fourth Proportional to 13,341,880.30, 18,413,769.27 and 8,447,557.36

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Solution

The fourth proportional to 13,341,880.30, 18,413,769.27 and 8,447,557.36 is: 11,658,879.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,341,880.30 : 18,413,769.27 = 8,447,557.36 : x
  2. Step 2: Convert to fraction form
    13,341,880.30/18,413,769.27 = 8,447,557.36/x
  3. Step 3: Cross multiply
    13,341,880.30x = 18,413,769.27 × 8,447,557.36
  4. Step 4: Simplify right side
    13,341,880.30x = 155,551,372,122,130.31
  5. Step 5: Solve for x
    x = 155,551,372,122,130.31/13,341,880.30
  6. Step 6: Final answer
    x = 11,658,879.31

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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.