Home / 13,630,017.80-20,427,660.30-7,243,329.80

Finding the Fourth Proportional to 13,630,017.80, 20,427,660.30 and 7,243,329.80

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Solution

The fourth proportional to 13,630,017.80, 20,427,660.30 and 7,243,329.80 is: 10,855,765.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,630,017.80 : 20,427,660.30 = 7,243,329.80 : x
  2. Step 2: Convert to fraction form
    13,630,017.80/20,427,660.30 = 7,243,329.80/x
  3. Step 3: Cross multiply
    13,630,017.80x = 20,427,660.30 × 7,243,329.80
  4. Step 4: Simplify right side
    13,630,017.80x = 147,964,280,595,266.94
  5. Step 5: Solve for x
    x = 147,964,280,595,266.94/13,630,017.80
  6. Step 6: Final answer
    x = 10,855,765.76

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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.