Home / 12,728,400.90-19,092,601.35-4,641,640.35

Finding the Fourth Proportional to 12,728,400.90, 19,092,601.35 and 4,641,640.35

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Solution

The fourth proportional to 12,728,400.90, 19,092,601.35 and 4,641,640.35 is: 6,962,460.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,728,400.90 : 19,092,601.35 = 4,641,640.35 : x
  2. Step 2: Convert to fraction form
    12,728,400.90/19,092,601.35 = 4,641,640.35/x
  3. Step 3: Cross multiply
    12,728,400.90x = 19,092,601.35 × 4,641,640.35
  4. Step 4: Simplify right side
    12,728,400.90x = 88,620,988,812,624.47
  5. Step 5: Solve for x
    x = 88,620,988,812,624.47/12,728,400.90
  6. Step 6: Final answer
    x = 6,962,460.53

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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.