Home / 13,429,661.58-18,532,956.60-7,318,090.08

Finding the Fourth Proportional to 13,429,661.58, 18,532,956.60 and 7,318,090.08

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Solution

The fourth proportional to 13,429,661.58, 18,532,956.60 and 7,318,090.08 is: 10,098,977.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,429,661.58 : 18,532,956.60 = 7,318,090.08 : x
  2. Step 2: Convert to fraction form
    13,429,661.58/18,532,956.60 = 7,318,090.08/x
  3. Step 3: Cross multiply
    13,429,661.58x = 18,532,956.60 × 7,318,090.08
  4. Step 4: Simplify right side
    13,429,661.58x = 135,625,845,847,530.55
  5. Step 5: Solve for x
    x = 135,625,845,847,530.55/13,429,661.58
  6. Step 6: Final answer
    x = 10,098,977.18

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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.