Home / 8,487,415.44-11,712,943.47-4,619,749.68

Finding the Fourth Proportional to 8,487,415.44, 11,712,943.47 and 4,619,749.68

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Solution

The fourth proportional to 8,487,415.44, 11,712,943.47 and 4,619,749.68 is: 6,375,423.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,487,415.44 : 11,712,943.47 = 4,619,749.68 : x
  2. Step 2: Convert to fraction form
    8,487,415.44/11,712,943.47 = 4,619,749.68/x
  3. Step 3: Cross multiply
    8,487,415.44x = 11,712,943.47 × 4,619,749.68
  4. Step 4: Simplify right side
    8,487,415.44x = 54,110,866,847,390.59
  5. Step 5: Solve for x
    x = 54,110,866,847,390.59/8,487,415.44
  6. Step 6: Final answer
    x = 6,375,423.38

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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.