Home / 14,939,473.87-20,617,352.76-9,139,367.35

Finding the Fourth Proportional to 14,939,473.87, 20,617,352.76 and 9,139,367.35

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Solution

The fourth proportional to 14,939,473.87, 20,617,352.76 and 9,139,367.35 is: 12,612,864.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,939,473.87 : 20,617,352.76 = 9,139,367.35 : x
  2. Step 2: Convert to fraction form
    14,939,473.87/20,617,352.76 = 9,139,367.35/x
  3. Step 3: Cross multiply
    14,939,473.87x = 20,617,352.76 × 9,139,367.35
  4. Step 4: Simplify right side
    14,939,473.87x = 188,429,560,658,176.41
  5. Step 5: Solve for x
    x = 188,429,560,658,176.41/14,939,473.87
  6. Step 6: Final answer
    x = 12,612,864.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.