Home / 28,665,175.55-39,562,435.02-16,905,736.43

Finding the Fourth Proportional to 28,665,175.55, 39,562,435.02 and 16,905,736.43

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Solution

The fourth proportional to 28,665,175.55, 39,562,435.02 and 16,905,736.43 is: 23,332,565.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,665,175.55 : 39,562,435.02 = 16,905,736.43 : x
  2. Step 2: Convert to fraction form
    28,665,175.55/39,562,435.02 = 16,905,736.43/x
  3. Step 3: Cross multiply
    28,665,175.55x = 39,562,435.02 × 16,905,736.43
  4. Step 4: Simplify right side
    28,665,175.55x = 668,832,098,779,309.75
  5. Step 5: Solve for x
    x = 668,832,098,779,309.75/28,665,175.55
  6. Step 6: Final answer
    x = 23,332,565.95

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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.