Home / 9,777,881.34-13,493,374.26-5,427,005.22

Finding the Fourth Proportional to 9,777,881.34, 13,493,374.26 and 5,427,005.22

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Solution

The fourth proportional to 9,777,881.34, 13,493,374.26 and 5,427,005.22 is: 7,489,210.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,777,881.34 : 13,493,374.26 = 5,427,005.22 : x
  2. Step 2: Convert to fraction form
    9,777,881.34/13,493,374.26 = 5,427,005.22/x
  3. Step 3: Cross multiply
    9,777,881.34x = 13,493,374.26 × 5,427,005.22
  4. Step 4: Simplify right side
    9,777,881.34x = 73,228,612,544,433.62
  5. Step 5: Solve for x
    x = 73,228,612,544,433.62/9,777,881.34
  6. Step 6: Final answer
    x = 7,489,210.60

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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.