Home / 23,022,519.39-31,770,244.08-12,709,021.05

Finding the Fourth Proportional to 23,022,519.39, 31,770,244.08 and 12,709,021.05

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Solution

The fourth proportional to 23,022,519.39, 31,770,244.08 and 12,709,021.05 is: 17,537,989.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,022,519.39 : 31,770,244.08 = 12,709,021.05 : x
  2. Step 2: Convert to fraction form
    23,022,519.39/31,770,244.08 = 12,709,021.05/x
  3. Step 3: Cross multiply
    23,022,519.39x = 31,770,244.08 × 12,709,021.05
  4. Step 4: Simplify right side
    23,022,519.39x = 403,768,700,776,357.88
  5. Step 5: Solve for x
    x = 403,768,700,776,357.88/23,022,519.39
  6. Step 6: Final answer
    x = 17,537,989.39

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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.