Home / 28,651,513.08-39,542,516.10-16,893,442.92

Finding the Fourth Proportional to 28,651,513.08, 39,542,516.10 and 16,893,442.92

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Solution

The fourth proportional to 28,651,513.08, 39,542,516.10 and 16,893,442.92 is: 23,314,972.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,651,513.08 : 39,542,516.10 = 16,893,442.92 : x
  2. Step 2: Convert to fraction form
    28,651,513.08/39,542,516.10 = 16,893,442.92/x
  3. Step 3: Cross multiply
    28,651,513.08x = 39,542,516.10 × 16,893,442.92
  4. Step 4: Simplify right side
    28,651,513.08x = 668,009,238,648,531.12
  5. Step 5: Solve for x
    x = 668,009,238,648,531.12/28,651,513.08
  6. Step 6: Final answer
    x = 23,314,972.47

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Double scale
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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.