Home / 22,660,286.88-31,271,199.84-12,347,011.20

Finding the Fourth Proportional to 22,660,286.88, 31,271,199.84 and 12,347,011.20

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Solution

The fourth proportional to 22,660,286.88, 31,271,199.84 and 12,347,011.20 is: 17,038,877.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,660,286.88 : 31,271,199.84 = 12,347,011.20 : x
  2. Step 2: Convert to fraction form
    22,660,286.88/31,271,199.84 = 12,347,011.20/x
  3. Step 3: Cross multiply
    22,660,286.88x = 31,271,199.84 × 12,347,011.20
  4. Step 4: Simplify right side
    22,660,286.88x = 386,105,854,661,918.19
  5. Step 5: Solve for x
    x = 386,105,854,661,918.19/22,660,286.88
  6. Step 6: Final answer
    x = 17,038,877.61

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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.