Home / 21,740,048.05-30,001,638.99-11,950,904.83

Finding the Fourth Proportional to 21,740,048.05, 30,001,638.99 and 11,950,904.83

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Solution

The fourth proportional to 21,740,048.05, 30,001,638.99 and 11,950,904.83 is: 16,492,453.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,740,048.05 : 30,001,638.99 = 11,950,904.83 : x
  2. Step 2: Convert to fraction form
    21,740,048.05/30,001,638.99 = 11,950,904.83/x
  3. Step 3: Cross multiply
    21,740,048.05x = 30,001,638.99 × 11,950,904.83
  4. Step 4: Simplify right side
    21,740,048.05x = 358,546,732,313,507.31
  5. Step 5: Solve for x
    x = 358,546,732,313,507.31/21,740,048.05
  6. Step 6: Final answer
    x = 16,492,453.54

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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.