Home / 21,490,195.24-29,658,559.62-16,048,239.40

Finding the Fourth Proportional to 21,490,195.24, 29,658,559.62 and 16,048,239.40

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Solution

The fourth proportional to 21,490,195.24, 29,658,559.62 and 16,048,239.40 is: 22,148,131.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,490,195.24 : 29,658,559.62 = 16,048,239.40 : x
  2. Step 2: Convert to fraction form
    21,490,195.24/29,658,559.62 = 16,048,239.40/x
  3. Step 3: Cross multiply
    21,490,195.24x = 29,658,559.62 × 16,048,239.40
  4. Step 4: Simplify right side
    21,490,195.24x = 475,967,665,040,933.06
  5. Step 5: Solve for x
    x = 475,967,665,040,933.06/21,490,195.24
  6. Step 6: Final answer
    x = 22,148,131.26

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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.