Home / 28,091,680.08-42,137,520.39-7,896,922.08

Finding the Fourth Proportional to 28,091,680.08, 42,137,520.39 and 7,896,922.08

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Solution

The fourth proportional to 28,091,680.08, 42,137,520.39 and 7,896,922.08 is: 11,845,383.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,091,680.08 : 42,137,520.39 = 7,896,922.08 : x
  2. Step 2: Convert to fraction form
    28,091,680.08/42,137,520.39 = 7,896,922.08/x
  3. Step 3: Cross multiply
    28,091,680.08x = 42,137,520.39 × 7,896,922.08
  4. Step 4: Simplify right side
    28,091,680.08x = 332,756,715,164,241.25
  5. Step 5: Solve for x
    x = 332,756,715,164,241.25/28,091,680.08
  6. Step 6: Final answer
    x = 11,845,383.20

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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.