Home / 38,640,983.55-57,967,214.15-12,728,498.58

Finding the Fourth Proportional to 38,640,983.55, 57,967,214.15 and 12,728,498.58

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Solution

The fourth proportional to 38,640,983.55, 57,967,214.15 and 12,728,498.58 is: 19,094,638.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,640,983.55 : 57,967,214.15 = 12,728,498.58 : x
  2. Step 2: Convert to fraction form
    38,640,983.55/57,967,214.15 = 12,728,498.58/x
  3. Step 3: Cross multiply
    38,640,983.55x = 57,967,214.15 × 12,728,498.58
  4. Step 4: Simplify right side
    38,640,983.55x = 737,835,602,641,352.38
  5. Step 5: Solve for x
    x = 737,835,602,641,352.38/38,640,983.55
  6. Step 6: Final answer
    x = 19,094,638.26

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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.