Home / 19,425,968.20-29,147,117.10-10,440,022.60

Finding the Fourth Proportional to 19,425,968.20, 29,147,117.10 and 10,440,022.60

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Solution

The fourth proportional to 19,425,968.20, 29,147,117.10 and 10,440,022.60 is: 15,664,421.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,425,968.20 : 29,147,117.10 = 10,440,022.60 : x
  2. Step 2: Convert to fraction form
    19,425,968.20/29,147,117.10 = 10,440,022.60/x
  3. Step 3: Cross multiply
    19,425,968.20x = 29,147,117.10 × 10,440,022.60
  4. Step 4: Simplify right side
    19,425,968.20x = 304,296,561,248,846.44
  5. Step 5: Solve for x
    x = 304,296,561,248,846.44/19,425,968.20
  6. Step 6: Final answer
    x = 15,664,421.88

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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.