Home / 38,647,838.40-53,334,127.84-22,128,216.48

Finding the Fourth Proportional to 38,647,838.40, 53,334,127.84 and 22,128,216.48

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Solution

The fourth proportional to 38,647,838.40, 53,334,127.84 and 22,128,216.48 is: 30,537,002.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,647,838.40 : 53,334,127.84 = 22,128,216.48 : x
  2. Step 2: Convert to fraction form
    38,647,838.40/53,334,127.84 = 22,128,216.48/x
  3. Step 3: Cross multiply
    38,647,838.40x = 53,334,127.84 × 22,128,216.48
  4. Step 4: Simplify right side
    38,647,838.40x = 1,180,189,126,615,515
  5. Step 5: Solve for x
    x = 1,180,189,126,615,515/38,647,838.40
  6. Step 6: Final answer
    x = 30,537,002.21

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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.