Home / 38,647,256.94-53,332,900.20-21,243,417.12

Finding the Fourth Proportional to 38,647,256.94, 53,332,900.20 and 21,243,417.12

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Solution

The fourth proportional to 38,647,256.94, 53,332,900.20 and 21,243,417.12 is: 29,315,742.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,647,256.94 : 53,332,900.20 = 21,243,417.12 : x
  2. Step 2: Convert to fraction form
    38,647,256.94/53,332,900.20 = 21,243,417.12/x
  3. Step 3: Cross multiply
    38,647,256.94x = 53,332,900.20 × 21,243,417.12
  4. Step 4: Simplify right side
    38,647,256.94x = 1,132,973,045,167,931.50
  5. Step 5: Solve for x
    x = 1,132,973,045,167,931.50/38,647,256.94
  6. Step 6: Final answer
    x = 29,315,742.82

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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.