Home / 13,735,480.80-20,603,661.06-6,908,327.76

Finding the Fourth Proportional to 13,735,480.80, 20,603,661.06 and 6,908,327.76

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Solution

The fourth proportional to 13,735,480.80, 20,603,661.06 and 6,908,327.76 is: 10,362,712.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,735,480.80 : 20,603,661.06 = 6,908,327.76 : x
  2. Step 2: Convert to fraction form
    13,735,480.80/20,603,661.06 = 6,908,327.76/x
  3. Step 3: Cross multiply
    13,735,480.80x = 20,603,661.06 × 6,908,327.76
  4. Step 4: Simplify right side
    13,735,480.80x = 142,336,843,658,429
  5. Step 5: Solve for x
    x = 142,336,843,658,429/13,735,480.80
  6. Step 6: Final answer
    x = 10,362,712.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.