Home / 18,170,160.42-25,078,701.84-10,439,465.34

Finding the Fourth Proportional to 18,170,160.42, 25,078,701.84 and 10,439,465.34

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Solution

The fourth proportional to 18,170,160.42, 25,078,701.84 and 10,439,465.34 is: 14,408,691.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,170,160.42 : 25,078,701.84 = 10,439,465.34 : x
  2. Step 2: Convert to fraction form
    18,170,160.42/25,078,701.84 = 10,439,465.34/x
  3. Step 3: Cross multiply
    18,170,160.42x = 25,078,701.84 × 10,439,465.34
  4. Step 4: Simplify right side
    18,170,160.42x = 261,808,238,630,874.22
  5. Step 5: Solve for x
    x = 261,808,238,630,874.22/18,170,160.42
  6. Step 6: Final answer
    x = 14,408,691.64

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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.