Home / 13,116,518.21-18,100,827.26-7,315,675.67

Finding the Fourth Proportional to 13,116,518.21, 18,100,827.26 and 7,315,675.67

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Solution

The fourth proportional to 13,116,518.21, 18,100,827.26 and 7,315,675.67 is: 10,095,650.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,116,518.21 : 18,100,827.26 = 7,315,675.67 : x
  2. Step 2: Convert to fraction form
    13,116,518.21/18,100,827.26 = 7,315,675.67/x
  3. Step 3: Cross multiply
    13,116,518.21x = 18,100,827.26 × 7,315,675.67
  4. Step 4: Simplify right side
    13,116,518.21x = 132,419,781,465,772.25
  5. Step 5: Solve for x
    x = 132,419,781,465,772.25/13,116,518.21
  6. Step 6: Final answer
    x = 10,095,650.34

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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.