Home / 12,124,907.70-18,134,873.55-10,854,698.10

Finding the Fourth Proportional to 12,124,907.70, 18,134,873.55 and 10,854,698.10

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Solution

The fourth proportional to 12,124,907.70, 18,134,873.55 and 10,854,698.10 is: 16,235,057.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,124,907.70 : 18,134,873.55 = 10,854,698.10 : x
  2. Step 2: Convert to fraction form
    12,124,907.70/18,134,873.55 = 10,854,698.10/x
  3. Step 3: Cross multiply
    12,124,907.70x = 18,134,873.55 × 10,854,698.10
  4. Step 4: Simplify right side
    12,124,907.70x = 196,848,577,466,925.25
  5. Step 5: Solve for x
    x = 196,848,577,466,925.25/12,124,907.70
  6. Step 6: Final answer
    x = 16,235,057.81

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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.