Home / 8,908,292.80-13,362,439.20-6,640,811.20

Finding the Fourth Proportional to 8,908,292.80, 13,362,439.20 and 6,640,811.20

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Solution

The fourth proportional to 8,908,292.80, 13,362,439.20 and 6,640,811.20 is: 9,961,216.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,908,292.80 : 13,362,439.20 = 6,640,811.20 : x
  2. Step 2: Convert to fraction form
    8,908,292.80/13,362,439.20 = 6,640,811.20/x
  3. Step 3: Cross multiply
    8,908,292.80x = 13,362,439.20 × 6,640,811.20
  4. Step 4: Simplify right side
    8,908,292.80x = 88,737,435,898,679.03
  5. Step 5: Solve for x
    x = 88,737,435,898,679.03/8,908,292.80
  6. Step 6: Final answer
    x = 9,961,216.80

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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.