Home / 38,647,838.90-53,334,128.53-22,128,216.98

Finding the Fourth Proportional to 38,647,838.90, 53,334,128.53 and 22,128,216.98

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Solution

The fourth proportional to 38,647,838.90, 53,334,128.53 and 22,128,216.98 is: 30,537,002.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,647,838.90 : 53,334,128.53 = 22,128,216.98 : x
  2. Step 2: Convert to fraction form
    38,647,838.90/53,334,128.53 = 22,128,216.98/x
  3. Step 3: Cross multiply
    38,647,838.90x = 53,334,128.53 × 22,128,216.98
  4. Step 4: Simplify right side
    38,647,838.90x = 1,180,189,168,551,048.50
  5. Step 5: Solve for x
    x = 1,180,189,168,551,048.50/38,647,838.90
  6. Step 6: Final answer
    x = 30,537,002.90

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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.