Home / 16,916,811.52-23,345,140.80-9,181,853.44

Finding the Fourth Proportional to 16,916,811.52, 23,345,140.80 and 9,181,853.44

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Solution

The fourth proportional to 16,916,811.52, 23,345,140.80 and 9,181,853.44 is: 12,670,925.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,916,811.52 : 23,345,140.80 = 9,181,853.44 : x
  2. Step 2: Convert to fraction form
    16,916,811.52/23,345,140.80 = 9,181,853.44/x
  3. Step 3: Cross multiply
    16,916,811.52x = 23,345,140.80 × 9,181,853.44
  4. Step 4: Simplify right side
    16,916,811.52x = 214,351,661,361,764.34
  5. Step 5: Solve for x
    x = 214,351,661,361,764.34/16,916,811.52
  6. Step 6: Final answer
    x = 12,670,925.67

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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.