Home / 8,686,228.59-11,987,009.57-4,818,749.84

Finding the Fourth Proportional to 8,686,228.59, 11,987,009.57 and 4,818,749.84

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Solution

The fourth proportional to 8,686,228.59, 11,987,009.57 and 4,818,749.84 is: 6,649,882.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,686,228.59 : 11,987,009.57 = 4,818,749.84 : x
  2. Step 2: Convert to fraction form
    8,686,228.59/11,987,009.57 = 4,818,749.84/x
  3. Step 3: Cross multiply
    8,686,228.59x = 11,987,009.57 × 4,818,749.84
  4. Step 4: Simplify right side
    8,686,228.59x = 57,762,400,444,579.08
  5. Step 5: Solve for x
    x = 57,762,400,444,579.08/8,686,228.59
  6. Step 6: Final answer
    x = 6,649,882.61

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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.