Home / 38,957,710.74-53,763,223.33-21,553,772.50

Finding the Fourth Proportional to 38,957,710.74, 53,763,223.33 and 21,553,772.50

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Solution

The fourth proportional to 38,957,710.74, 53,763,223.33 and 21,553,772.50 is: 29,745,081.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,957,710.74 : 53,763,223.33 = 21,553,772.50 : x
  2. Step 2: Convert to fraction form
    38,957,710.74/53,763,223.33 = 21,553,772.50/x
  3. Step 3: Cross multiply
    38,957,710.74x = 53,763,223.33 × 21,553,772.50
  4. Step 4: Simplify right side
    38,957,710.74x = 1,158,800,284,521,512.50
  5. Step 5: Solve for x
    x = 1,158,800,284,521,512.50/38,957,710.74
  6. Step 6: Final answer
    x = 29,745,081.59

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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.