Home / 38,957,709.74-53,763,221.95-21,553,771.50

Finding the Fourth Proportional to 38,957,709.74, 53,763,221.95 and 21,553,771.50

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Solution

The fourth proportional to 38,957,709.74, 53,763,221.95 and 21,553,771.50 is: 29,745,080.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,957,709.74 : 53,763,221.95 = 21,553,771.50 : x
  2. Step 2: Convert to fraction form
    38,957,709.74/53,763,221.95 = 21,553,771.50/x
  3. Step 3: Cross multiply
    38,957,709.74x = 53,763,221.95 × 21,553,771.50
  4. Step 4: Simplify right side
    38,957,709.74x = 1,158,800,200,960,200
  5. Step 5: Solve for x
    x = 1,158,800,200,960,200/38,957,709.74
  6. Step 6: Final answer
    x = 29,745,080.21

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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.