Home / 8,703,180.90-12,009,667.77-4,782,730.88

Finding the Fourth Proportional to 8,703,180.90, 12,009,667.77 and 4,782,730.88

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Solution

The fourth proportional to 8,703,180.90, 12,009,667.77 and 4,782,730.88 is: 6,599,771.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,703,180.90 : 12,009,667.77 = 4,782,730.88 : x
  2. Step 2: Convert to fraction form
    8,703,180.90/12,009,667.77 = 4,782,730.88/x
  3. Step 3: Cross multiply
    8,703,180.90x = 12,009,667.77 × 4,782,730.88
  4. Step 4: Simplify right side
    8,703,180.90x = 57,439,008,932,143.91
  5. Step 5: Solve for x
    x = 57,439,008,932,143.91/8,703,180.90
  6. Step 6: Final answer
    x = 6,599,771.92

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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.