Home / 21,416,226.18-29,554,735.59-11,626,662.54

Finding the Fourth Proportional to 21,416,226.18, 29,554,735.59 and 11,626,662.54

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Solution

The fourth proportional to 21,416,226.18, 29,554,735.59 and 11,626,662.54 is: 16,044,980.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,416,226.18 : 29,554,735.59 = 11,626,662.54 : x
  2. Step 2: Convert to fraction form
    21,416,226.18/29,554,735.59 = 11,626,662.54/x
  3. Step 3: Cross multiply
    21,416,226.18x = 29,554,735.59 × 11,626,662.54
  4. Step 4: Simplify right side
    21,416,226.18x = 343,622,937,163,857.75
  5. Step 5: Solve for x
    x = 343,622,937,163,857.75/21,416,226.18
  6. Step 6: Final answer
    x = 16,044,980.77

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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.