Home / 28,280,830.56-39,028,826.88-16,678,883.04

Finding the Fourth Proportional to 28,280,830.56, 39,028,826.88 and 16,678,883.04

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Solution

The fourth proportional to 28,280,830.56, 39,028,826.88 and 16,678,883.04 is: 23,017,613.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,280,830.56 : 39,028,826.88 = 16,678,883.04 : x
  2. Step 2: Convert to fraction form
    28,280,830.56/39,028,826.88 = 16,678,883.04/x
  3. Step 3: Cross multiply
    28,280,830.56x = 39,028,826.88 × 16,678,883.04
  4. Step 4: Simplify right side
    28,280,830.56x = 650,957,238,719,928.12
  5. Step 5: Solve for x
    x = 650,957,238,719,928.12/28,280,830.56
  6. Step 6: Final answer
    x = 23,017,613.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.