Home / 5,158,182.15-7,118,355.87-2,835,328.32

Finding the Fourth Proportional to 5,158,182.15, 7,118,355.87 and 2,835,328.32

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Solution

The fourth proportional to 5,158,182.15, 7,118,355.87 and 2,835,328.32 is: 3,912,788.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,158,182.15 : 7,118,355.87 = 2,835,328.32 : x
  2. Step 2: Convert to fraction form
    5,158,182.15/7,118,355.87 = 2,835,328.32/x
  3. Step 3: Cross multiply
    5,158,182.15x = 7,118,355.87 × 2,835,328.32
  4. Step 4: Simplify right side
    5,158,182.15x = 20,182,875,990,049.24
  5. Step 5: Solve for x
    x = 20,182,875,990,049.24/5,158,182.15
  6. Step 6: Final answer
    x = 3,912,788.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.