Home / 22,596,986-31,183,183.32-12,808,331.12

Finding the Fourth Proportional to 22,596,986, 31,183,183.32 and 12,808,331.12

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Solution

The fourth proportional to 22,596,986, 31,183,183.32 and 12,808,331.12 is: 17,675,124.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,596,986 : 31,183,183.32 = 12,808,331.12 : x
  2. Step 2: Convert to fraction form
    22,596,986/31,183,183.32 = 12,808,331.12/x
  3. Step 3: Cross multiply
    22,596,986x = 31,183,183.32 × 12,808,331.12
  4. Step 4: Simplify right side
    22,596,986x = 399,404,537,338,220.88
  5. Step 5: Solve for x
    x = 399,404,537,338,220.88/22,596,986
  6. Step 6: Final answer
    x = 17,675,124.34

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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.