Home / 8,357,069.79-12,538,408.91-3,239,666.64

Finding the Fourth Proportional to 8,357,069.79, 12,538,408.91 and 3,239,666.64

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Solution

The fourth proportional to 8,357,069.79, 12,538,408.91 and 3,239,666.64 is: 4,860,587.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,357,069.79 : 12,538,408.91 = 3,239,666.64 : x
  2. Step 2: Convert to fraction form
    8,357,069.79/12,538,408.91 = 3,239,666.64/x
  3. Step 3: Cross multiply
    8,357,069.79x = 12,538,408.91 × 3,239,666.64
  4. Step 4: Simplify right side
    8,357,069.79x = 40,620,265,048,207.43
  5. Step 5: Solve for x
    x = 40,620,265,048,207.43/8,357,069.79
  6. Step 6: Final answer
    x = 4,860,587.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.