Home / 13,166,100.02-18,172,870.16-7,660,538.33

Finding the Fourth Proportional to 13,166,100.02, 18,172,870.16 and 7,660,538.33

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Solution

The fourth proportional to 13,166,100.02, 18,172,870.16 and 7,660,538.33 is: 10,573,667.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,166,100.02 : 18,172,870.16 = 7,660,538.33 : x
  2. Step 2: Convert to fraction form
    13,166,100.02/18,172,870.16 = 7,660,538.33/x
  3. Step 3: Cross multiply
    13,166,100.02x = 18,172,870.16 × 7,660,538.33
  4. Step 4: Simplify right side
    13,166,100.02x = 139,213,968,388,490.55
  5. Step 5: Solve for x
    x = 139,213,968,388,490.55/13,166,100.02
  6. Step 6: Final answer
    x = 10,573,667.84

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.