Home / 13,630,016.80-20,427,658.80-7,243,328.80

Finding the Fourth Proportional to 13,630,016.80, 20,427,658.80 and 7,243,328.80

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Solution

The fourth proportional to 13,630,016.80, 20,427,658.80 and 7,243,328.80 is: 10,855,764.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,630,016.80 : 20,427,658.80 = 7,243,328.80 : x
  2. Step 2: Convert to fraction form
    13,630,016.80/20,427,658.80 = 7,243,328.80/x
  3. Step 3: Cross multiply
    13,630,016.80x = 20,427,658.80 × 7,243,328.80
  4. Step 4: Simplify right side
    13,630,016.80x = 147,964,249,302,613.44
  5. Step 5: Solve for x
    x = 147,964,249,302,613.44/13,630,016.80
  6. Step 6: Final answer
    x = 10,855,764.26

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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.