Home / 21,840,011.80-32,760,017.70-21,556,576.60

Finding the Fourth Proportional to 21,840,011.80, 32,760,017.70 and 21,556,576.60

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Solution

The fourth proportional to 21,840,011.80, 32,760,017.70 and 21,556,576.60 is: 32,334,864.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,840,011.80 : 32,760,017.70 = 21,556,576.60 : x
  2. Step 2: Convert to fraction form
    21,840,011.80/32,760,017.70 = 21,556,576.60/x
  3. Step 3: Cross multiply
    21,840,011.80x = 32,760,017.70 × 21,556,576.60
  4. Step 4: Simplify right side
    21,840,011.80x = 706,193,830,967,405.88
  5. Step 5: Solve for x
    x = 706,193,830,967,405.88/21,840,011.80
  6. Step 6: Final answer
    x = 32,334,864.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.