Home / 20,857,926.06-28,783,999.95-11,566,150.71

Finding the Fourth Proportional to 20,857,926.06, 28,783,999.95 and 11,566,150.71

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Solution

The fourth proportional to 20,857,926.06, 28,783,999.95 and 11,566,150.71 is: 15,961,322.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,857,926.06 : 28,783,999.95 = 11,566,150.71 : x
  2. Step 2: Convert to fraction form
    20,857,926.06/28,783,999.95 = 11,566,150.71/x
  3. Step 3: Cross multiply
    20,857,926.06x = 28,783,999.95 × 11,566,150.71
  4. Step 4: Simplify right side
    20,857,926.06x = 332,920,081,458,332.50
  5. Step 5: Solve for x
    x = 332,920,081,458,332.50/20,857,926.06
  6. Step 6: Final answer
    x = 15,961,322.35

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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.