Home / 21,210,264,007.66-29,271,470,817.05-11,694,786,330.61

Finding the Fourth Proportional to 21,210,264,007.66, 29,271,470,817.05 and 11,694,786,330.61

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Solution

The fourth proportional to 21,210,264,007.66, 29,271,470,817.05 and 11,694,786,330.61 is: 16,139,525,498.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,210,264,007.66 : 29,271,470,817.05 = 11,694,786,330.61 : x
  2. Step 2: Convert to fraction form
    21,210,264,007.66/29,271,470,817.05 = 11,694,786,330.61/x
  3. Step 3: Cross multiply
    21,210,264,007.66x = 29,271,470,817.05 × 11,694,786,330.61
  4. Step 4: Simplify right side
    21,210,264,007.66x = 342,323,596,788,085,882,880
  5. Step 5: Solve for x
    x = 342,323,596,788,085,882,880/21,210,264,007.66
  6. Step 6: Final answer
    x = 16,139,525,498.81

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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.