Home / 13,484,172.02-18,608,157.43-7,372,600.52

Finding the Fourth Proportional to 13,484,172.02, 18,608,157.43 and 7,372,600.52

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Solution

The fourth proportional to 13,484,172.02, 18,608,157.43 and 7,372,600.52 is: 10,174,188.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,484,172.02 : 18,608,157.43 = 7,372,600.52 : x
  2. Step 2: Convert to fraction form
    13,484,172.02/18,608,157.43 = 7,372,600.52/x
  3. Step 3: Cross multiply
    13,484,172.02x = 18,608,157.43 × 7,372,600.52
  4. Step 4: Simplify right side
    13,484,172.02x = 137,190,511,144,659.86
  5. Step 5: Solve for x
    x = 137,190,511,144,659.86/13,484,172.02
  6. Step 6: Final answer
    x = 10,174,188.74

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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.