Home / 12,421,476.60-18,621,134.10-4,846,680.60

Finding the Fourth Proportional to 12,421,476.60, 18,621,134.10 and 4,846,680.60

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Solution

The fourth proportional to 12,421,476.60, 18,621,134.10 and 4,846,680.60 is: 7,265,697.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,421,476.60 : 18,621,134.10 = 4,846,680.60 : x
  2. Step 2: Convert to fraction form
    12,421,476.60/18,621,134.10 = 4,846,680.60/x
  3. Step 3: Cross multiply
    12,421,476.60x = 18,621,134.10 × 4,846,680.60
  4. Step 4: Simplify right side
    12,421,476.60x = 90,250,689,392,468.45
  5. Step 5: Solve for x
    x = 90,250,689,392,468.45/12,421,476.60
  6. Step 6: Final answer
    x = 7,265,697.33

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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.