Home / 13,410,328.60-18,505,706.47-7,608,985.48

Finding the Fourth Proportional to 13,410,328.60, 18,505,706.47 and 7,608,985.48

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Solution

The fourth proportional to 13,410,328.60, 18,505,706.47 and 7,608,985.48 is: 10,500,089.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,410,328.60 : 18,505,706.47 = 7,608,985.48 : x
  2. Step 2: Convert to fraction form
    13,410,328.60/18,505,706.47 = 7,608,985.48/x
  3. Step 3: Cross multiply
    13,410,328.60x = 18,505,706.47 × 7,608,985.48
  4. Step 4: Simplify right side
    13,410,328.60x = 140,809,651,827,372.06
  5. Step 5: Solve for x
    x = 140,809,651,827,372.06/13,410,328.60
  6. Step 6: Final answer
    x = 10,500,089.60

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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.