Home / 8,759,786.72-12,086,750.14-4,891,712.72

Finding the Fourth Proportional to 8,759,786.72, 12,086,750.14 and 4,891,712.72

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Solution

The fourth proportional to 8,759,786.72, 12,086,750.14 and 4,891,712.72 is: 6,749,583.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,759,786.72 : 12,086,750.14 = 4,891,712.72 : x
  2. Step 2: Convert to fraction form
    8,759,786.72/12,086,750.14 = 4,891,712.72/x
  3. Step 3: Cross multiply
    8,759,786.72x = 12,086,750.14 × 4,891,712.72
  4. Step 4: Simplify right side
    8,759,786.72x = 59,124,909,330,636.74
  5. Step 5: Solve for x
    x = 59,124,909,330,636.74/8,759,786.72
  6. Step 6: Final answer
    x = 6,749,583.21

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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.