Home / 12,219,004.60-18,328,506.90-3,699,764.80

Finding the Fourth Proportional to 12,219,004.60, 18,328,506.90 and 3,699,764.80

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Solution

The fourth proportional to 12,219,004.60, 18,328,506.90 and 3,699,764.80 is: 5,549,647.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,219,004.60 : 18,328,506.90 = 3,699,764.80 : x
  2. Step 2: Convert to fraction form
    12,219,004.60/18,328,506.90 = 3,699,764.80/x
  3. Step 3: Cross multiply
    12,219,004.60x = 18,328,506.90 × 3,699,764.80
  4. Step 4: Simplify right side
    12,219,004.60x = 67,811,164,665,177.11
  5. Step 5: Solve for x
    x = 67,811,164,665,177.11/12,219,004.60
  6. Step 6: Final answer
    x = 5,549,647.20

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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.