Home / 18,965,012.76-26,171,615.16-10,263,182.76

Finding the Fourth Proportional to 18,965,012.76, 26,171,615.16 and 10,263,182.76

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Solution

The fourth proportional to 18,965,012.76, 26,171,615.16 and 10,263,182.76 is: 14,163,136.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,965,012.76 : 26,171,615.16 = 10,263,182.76 : x
  2. Step 2: Convert to fraction form
    18,965,012.76/26,171,615.16 = 10,263,182.76/x
  3. Step 3: Cross multiply
    18,965,012.76x = 26,171,615.16 × 10,263,182.76
  4. Step 4: Simplify right side
    18,965,012.76x = 268,604,069,511,466.62
  5. Step 5: Solve for x
    x = 268,604,069,511,466.62/18,965,012.76
  6. Step 6: Final answer
    x = 14,163,136.77

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Double scale
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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.