Home / 8,908,294.80-13,362,442.20-6,640,813.20

Finding the Fourth Proportional to 8,908,294.80, 13,362,442.20 and 6,640,813.20

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Solution

The fourth proportional to 8,908,294.80, 13,362,442.20 and 6,640,813.20 is: 9,961,219.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,908,294.80 : 13,362,442.20 = 6,640,813.20 : x
  2. Step 2: Convert to fraction form
    8,908,294.80/13,362,442.20 = 6,640,813.20/x
  3. Step 3: Cross multiply
    8,908,294.80x = 13,362,442.20 × 6,640,813.20
  4. Step 4: Simplify right side
    8,908,294.80x = 88,737,482,545,997.03
  5. Step 5: Solve for x
    x = 88,737,482,545,997.03/8,908,294.80
  6. Step 6: Final answer
    x = 9,961,219.80

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Similar ratio
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1.5x scale

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.