Home / 11,977,019.40-17,965,529.10-4,406,937.60

Finding the Fourth Proportional to 11,977,019.40, 17,965,529.10 and 4,406,937.60

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Solution

The fourth proportional to 11,977,019.40, 17,965,529.10 and 4,406,937.60 is: 6,610,406.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,977,019.40 : 17,965,529.10 = 4,406,937.60 : x
  2. Step 2: Convert to fraction form
    11,977,019.40/17,965,529.10 = 4,406,937.60/x
  3. Step 3: Cross multiply
    11,977,019.40x = 17,965,529.10 × 4,406,937.60
  4. Step 4: Simplify right side
    11,977,019.40x = 79,172,965,694,684.16
  5. Step 5: Solve for x
    x = 79,172,965,694,684.16/11,977,019.40
  6. Step 6: Final answer
    x = 6,610,406.40

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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.