Home / 28,656,564.41-39,540,804.95-16,899,520.93

Finding the Fourth Proportional to 28,656,564.41, 39,540,804.95 and 16,899,520.93

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Solution

The fourth proportional to 28,656,564.41, 39,540,804.95 and 16,899,520.93 is: 23,318,240.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,656,564.41 : 39,540,804.95 = 16,899,520.93 : x
  2. Step 2: Convert to fraction form
    28,656,564.41/39,540,804.95 = 16,899,520.93/x
  3. Step 3: Cross multiply
    28,656,564.41x = 39,540,804.95 × 16,899,520.93
  4. Step 4: Simplify right side
    28,656,564.41x = 668,220,660,784,969.38
  5. Step 5: Solve for x
    x = 668,220,660,784,969.38/28,656,564.41
  6. Step 6: Final answer
    x = 23,318,240.50

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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.