Home / 19,208,511.72-28,799,968.68-10,576,676.88

Finding the Fourth Proportional to 19,208,511.72, 28,799,968.68 and 10,576,676.88

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Solution

The fourth proportional to 19,208,511.72, 28,799,968.68 and 10,576,676.88 is: 15,857,967.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,208,511.72 : 28,799,968.68 = 10,576,676.88 : x
  2. Step 2: Convert to fraction form
    19,208,511.72/28,799,968.68 = 10,576,676.88/x
  3. Step 3: Cross multiply
    19,208,511.72x = 28,799,968.68 × 10,576,676.88
  4. Step 4: Simplify right side
    19,208,511.72x = 304,607,962,882,480.12
  5. Step 5: Solve for x
    x = 304,607,962,882,480.12/19,208,511.72
  6. Step 6: Final answer
    x = 15,857,967.93

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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.