Home / 12,371,421.60-18,557,132.40-10,777,098.60

Finding the Fourth Proportional to 12,371,421.60, 18,557,132.40 and 10,777,098.60

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Solution

The fourth proportional to 12,371,421.60, 18,557,132.40 and 10,777,098.60 is: 16,165,647.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,371,421.60 : 18,557,132.40 = 10,777,098.60 : x
  2. Step 2: Convert to fraction form
    12,371,421.60/18,557,132.40 = 10,777,098.60/x
  3. Step 3: Cross multiply
    12,371,421.60x = 18,557,132.40 × 10,777,098.60
  4. Step 4: Simplify right side
    12,371,421.60x = 199,992,045,608,054.62
  5. Step 5: Solve for x
    x = 199,992,045,608,054.62/12,371,421.60
  6. Step 6: Final answer
    x = 16,165,647.90

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1.5x scale

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.