Home / 20,280,184-27,986,653.92-11,695,480

Finding the Fourth Proportional to 20,280,184, 27,986,653.92 and 11,695,480

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Solution

The fourth proportional to 20,280,184, 27,986,653.92 and 11,695,480 is: 16,139,762.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,280,184 : 27,986,653.92 = 11,695,480 : x
  2. Step 2: Convert to fraction form
    20,280,184/27,986,653.92 = 11,695,480/x
  3. Step 3: Cross multiply
    20,280,184x = 27,986,653.92 × 11,695,480
  4. Step 4: Simplify right side
    20,280,184x = 327,317,351,188,281.62
  5. Step 5: Solve for x
    x = 327,317,351,188,281.62/20,280,184
  6. Step 6: Final answer
    x = 16,139,762.40

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1.5x scale

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.