Home / 20,080,218.42-27,710,915.13-10,912,860.90

Finding the Fourth Proportional to 20,080,218.42, 27,710,915.13 and 10,912,860.90

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Solution

The fourth proportional to 20,080,218.42, 27,710,915.13 and 10,912,860.90 is: 15,059,864.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,080,218.42 : 27,710,915.13 = 10,912,860.90 : x
  2. Step 2: Convert to fraction form
    20,080,218.42/27,710,915.13 = 10,912,860.90/x
  3. Step 3: Cross multiply
    20,080,218.42x = 27,710,915.13 × 10,912,860.90
  4. Step 4: Simplify right side
    20,080,218.42x = 302,405,362,225,395.44
  5. Step 5: Solve for x
    x = 302,405,362,225,395.44/20,080,218.42
  6. Step 6: Final answer
    x = 15,059,864.19

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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.