Home / 7,099,415.19-10,653,914.74-2,780,929.89

Finding the Fourth Proportional to 7,099,415.19, 10,653,914.74 and 2,780,929.89

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Solution

The fourth proportional to 7,099,415.19, 10,653,914.74 and 2,780,929.89 is: 4,173,271.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,099,415.19 : 10,653,914.74 = 2,780,929.89 : x
  2. Step 2: Convert to fraction form
    7,099,415.19/10,653,914.74 = 2,780,929.89/x
  3. Step 3: Cross multiply
    7,099,415.19x = 10,653,914.74 × 2,780,929.89
  4. Step 4: Simplify right side
    7,099,415.19x = 29,627,789,945,977.58
  5. Step 5: Solve for x
    x = 29,627,789,945,977.58/7,099,415.19
  6. Step 6: Final answer
    x = 4,173,271.90

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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.