Home / 13,355,676.82-18,430,653.14-7,475,309.25

Finding the Fourth Proportional to 13,355,676.82, 18,430,653.14 and 7,475,309.25

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Solution

The fourth proportional to 13,355,676.82, 18,430,653.14 and 7,475,309.25 is: 10,315,825.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,355,676.82 : 18,430,653.14 = 7,475,309.25 : x
  2. Step 2: Convert to fraction form
    13,355,676.82/18,430,653.14 = 7,475,309.25/x
  3. Step 3: Cross multiply
    13,355,676.82x = 18,430,653.14 × 7,475,309.25
  4. Step 4: Simplify right side
    13,355,676.82x = 137,774,831,863,607.02
  5. Step 5: Solve for x
    x = 137,774,831,863,607.02/13,355,676.82
  6. Step 6: Final answer
    x = 10,315,825.53

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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.