Home / 8,222,702.96-12,334,875.60-2,830,639.88

Finding the Fourth Proportional to 8,222,702.96, 12,334,875.60 and 2,830,639.88

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Solution

The fourth proportional to 8,222,702.96, 12,334,875.60 and 2,830,639.88 is: 4,246,242.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,222,702.96 : 12,334,875.60 = 2,830,639.88 : x
  2. Step 2: Convert to fraction form
    8,222,702.96/12,334,875.60 = 2,830,639.88/x
  3. Step 3: Cross multiply
    8,222,702.96x = 12,334,875.60 × 2,830,639.88
  4. Step 4: Simplify right side
    8,222,702.96x = 34,915,590,788,198.93
  5. Step 5: Solve for x
    x = 34,915,590,788,198.93/8,222,702.96
  6. Step 6: Final answer
    x = 4,246,242.50

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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.