Home / 7,111,665.17-9,811,695.44-4,629,755.72

Finding the Fourth Proportional to 7,111,665.17, 9,811,695.44 and 4,629,755.72

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Solution

The fourth proportional to 7,111,665.17, 9,811,695.44 and 4,629,755.72 is: 6,387,498.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,111,665.17 : 9,811,695.44 = 4,629,755.72 : x
  2. Step 2: Convert to fraction form
    7,111,665.17/9,811,695.44 = 4,629,755.72/x
  3. Step 3: Cross multiply
    7,111,665.17x = 9,811,695.44 × 4,629,755.72
  4. Step 4: Simplify right side
    7,111,665.17x = 45,425,753,014,030.66
  5. Step 5: Solve for x
    x = 45,425,753,014,030.66/7,111,665.17
  6. Step 6: Final answer
    x = 6,387,498.84

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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.