Home / 21,210,264,003.66-29,271,470,811.53-11,694,786,326.61

Finding the Fourth Proportional to 21,210,264,003.66, 29,271,470,811.53 and 11,694,786,326.61

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Solution

The fourth proportional to 21,210,264,003.66, 29,271,470,811.53 and 11,694,786,326.61 is: 16,139,525,493.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,210,264,003.66 : 29,271,470,811.53 = 11,694,786,326.61 : x
  2. Step 2: Convert to fraction form
    21,210,264,003.66/29,271,470,811.53 = 11,694,786,326.61/x
  3. Step 3: Cross multiply
    21,210,264,003.66x = 29,271,470,811.53 × 11,694,786,326.61
  4. Step 4: Simplify right side
    21,210,264,003.66x = 342,323,596,606,386,339,840
  5. Step 5: Solve for x
    x = 342,323,596,606,386,339,840/21,210,264,003.66
  6. Step 6: Final answer
    x = 16,139,525,493.29

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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.