Home / 5,355,628.80-8,030,908.80-3,112,454.40

Finding the Fourth Proportional to 5,355,628.80, 8,030,908.80 and 3,112,454.40

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Solution

The fourth proportional to 5,355,628.80, 8,030,908.80 and 3,112,454.40 is: 4,667,208.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,355,628.80 : 8,030,908.80 = 3,112,454.40 : x
  2. Step 2: Convert to fraction form
    5,355,628.80/8,030,908.80 = 3,112,454.40/x
  3. Step 3: Cross multiply
    5,355,628.80x = 8,030,908.80 × 3,112,454.40
  4. Step 4: Simplify right side
    5,355,628.80x = 24,995,837,430,558.72
  5. Step 5: Solve for x
    x = 24,995,837,430,558.72/5,355,628.80
  6. Step 6: Final answer
    x = 4,667,208.72

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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.