Home / 21,962,541,886.08-30,311,620,811.42-13,393,939,615.24

Finding the Fourth Proportional to 21,962,541,886.08, 30,311,620,811.42 and 13,393,939,615.24

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Solution

The fourth proportional to 21,962,541,886.08, 30,311,620,811.42 and 13,393,939,615.24 is: 18,485,657,119.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,962,541,886.08 : 30,311,620,811.42 = 13,393,939,615.24 : x
  2. Step 2: Convert to fraction form
    21,962,541,886.08/30,311,620,811.42 = 13,393,939,615.24/x
  3. Step 3: Cross multiply
    21,962,541,886.08x = 30,311,620,811.42 × 13,393,939,615.24
  4. Step 4: Simplify right side
    21,962,541,886.08x = 405,992,018,788,211,556,352
  5. Step 5: Solve for x
    x = 405,992,018,788,211,556,352/21,962,541,886.08
  6. Step 6: Final answer
    x = 18,485,657,119.93

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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.