Home / 21,417,606,841.82-29,525,146,919.03-14,967,400,721.09

Finding the Fourth Proportional to 21,417,606,841.82, 29,525,146,919.03 and 14,967,400,721.09

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Solution

The fourth proportional to 21,417,606,841.82, 29,525,146,919.03 and 14,967,400,721.09 is: 20,633,243,879.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,417,606,841.82 : 29,525,146,919.03 = 14,967,400,721.09 : x
  2. Step 2: Convert to fraction form
    21,417,606,841.82/29,525,146,919.03 = 14,967,400,721.09/x
  3. Step 3: Cross multiply
    21,417,606,841.82x = 29,525,146,919.03 × 14,967,400,721.09
  4. Step 4: Simplify right side
    21,417,606,841.82x = 441,914,705,286,089,211,904
  5. Step 5: Solve for x
    x = 441,914,705,286,089,211,904/21,417,606,841.82
  6. Step 6: Final answer
    x = 20,633,243,879.67

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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.