Home / 12,576,401.80-18,829,173.30-11,300,943.40

Finding the Fourth Proportional to 12,576,401.80, 18,829,173.30 and 11,300,943.40

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Solution

The fourth proportional to 12,576,401.80, 18,829,173.30 and 11,300,943.40 is: 16,919,578.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,576,401.80 : 18,829,173.30 = 11,300,943.40 : x
  2. Step 2: Convert to fraction form
    12,576,401.80/18,829,173.30 = 11,300,943.40/x
  3. Step 3: Cross multiply
    12,576,401.80x = 18,829,173.30 × 11,300,943.40
  4. Step 4: Simplify right side
    12,576,401.80x = 212,787,421,732,091.25
  5. Step 5: Solve for x
    x = 212,787,421,732,091.25/12,576,401.80
  6. Step 6: Final answer
    x = 16,919,578.84

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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.