Home / 8,776,617.77-12,111,776.34-4,909,138.92

Finding the Fourth Proportional to 8,776,617.77, 12,111,776.34 and 4,909,138.92

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Solution

The fourth proportional to 8,776,617.77, 12,111,776.34 and 4,909,138.92 is: 6,774,636.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,776,617.77 : 12,111,776.34 = 4,909,138.92 : x
  2. Step 2: Convert to fraction form
    8,776,617.77/12,111,776.34 = 4,909,138.92/x
  3. Step 3: Cross multiply
    8,776,617.77x = 12,111,776.34 × 4,909,138.92
  4. Step 4: Simplify right side
    8,776,617.77x = 59,458,392,621,029.15
  5. Step 5: Solve for x
    x = 59,458,392,621,029.15/8,776,617.77
  6. Step 6: Final answer
    x = 6,774,636.22

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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.