Home / 8,172,764.85-11,278,415.43-4,736,998.77

Finding the Fourth Proportional to 8,172,764.85, 11,278,415.43 and 4,736,998.77

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Solution

The fourth proportional to 8,172,764.85, 11,278,415.43 and 4,736,998.77 is: 6,537,058.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,172,764.85 : 11,278,415.43 = 4,736,998.77 : x
  2. Step 2: Convert to fraction form
    8,172,764.85/11,278,415.43 = 4,736,998.77/x
  3. Step 3: Cross multiply
    8,172,764.85x = 11,278,415.43 × 4,736,998.77
  4. Step 4: Simplify right side
    8,172,764.85x = 53,425,840,019,459.02
  5. Step 5: Solve for x
    x = 53,425,840,019,459.02/8,172,764.85
  6. Step 6: Final answer
    x = 6,537,058.27

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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.