Home / 21,559,968.80-32,339,953.20-10,222,560.80

Finding the Fourth Proportional to 21,559,968.80, 32,339,953.20 and 10,222,560.80

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Solution

The fourth proportional to 21,559,968.80, 32,339,953.20 and 10,222,560.80 is: 15,333,841.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,559,968.80 : 32,339,953.20 = 10,222,560.80 : x
  2. Step 2: Convert to fraction form
    21,559,968.80/32,339,953.20 = 10,222,560.80/x
  3. Step 3: Cross multiply
    21,559,968.80x = 32,339,953.20 × 10,222,560.80
  4. Step 4: Simplify right side
    21,559,968.80x = 330,597,137,856,154.56
  5. Step 5: Solve for x
    x = 330,597,137,856,154.56/21,559,968.80
  6. Step 6: Final answer
    x = 15,333,841.20

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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.