Home / 13,175,968.76-18,182,832.84-7,374,748.96

Finding the Fourth Proportional to 13,175,968.76, 18,182,832.84 and 7,374,748.96

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Solution

The fourth proportional to 13,175,968.76, 18,182,832.84 and 7,374,748.96 is: 10,177,151.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,175,968.76 : 18,182,832.84 = 7,374,748.96 : x
  2. Step 2: Convert to fraction form
    13,175,968.76/18,182,832.84 = 7,374,748.96/x
  3. Step 3: Cross multiply
    13,175,968.76x = 18,182,832.84 × 7,374,748.96
  4. Step 4: Simplify right side
    13,175,968.76x = 134,093,827,576,643.84
  5. Step 5: Solve for x
    x = 134,093,827,576,643.84/13,175,968.76
  6. Step 6: Final answer
    x = 10,177,151.30

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1.5x scale

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.