Home / 21,096,576,846.68-29,112,206,907.22-12,523,369,945.77

Finding the Fourth Proportional to 21,096,576,846.68, 29,112,206,907.22 and 12,523,369,945.77

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Solution

The fourth proportional to 21,096,576,846.68, 29,112,206,907.22 and 12,523,369,945.77 is: 17,281,615,860.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,096,576,846.68 : 29,112,206,907.22 = 12,523,369,945.77 : x
  2. Step 2: Convert to fraction form
    21,096,576,846.68/29,112,206,907.22 = 12,523,369,945.77/x
  3. Step 3: Cross multiply
    21,096,576,846.68x = 29,112,206,907.22 × 12,523,369,945.77
  4. Step 4: Simplify right side
    21,096,576,846.68x = 364,582,937,036,879,167,488
  5. Step 5: Solve for x
    x = 364,582,937,036,879,167,488/21,096,576,846.68
  6. Step 6: Final answer
    x = 17,281,615,860.55

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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.