Home / 38,668,680.59-53,347,676.15-22,139,971.56

Finding the Fourth Proportional to 38,668,680.59, 53,347,676.15 and 22,139,971.56

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Solution

The fourth proportional to 38,668,680.59, 53,347,676.15 and 22,139,971.56 is: 30,544,513.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,668,680.59 : 53,347,676.15 = 22,139,971.56 : x
  2. Step 2: Convert to fraction form
    38,668,680.59/53,347,676.15 = 22,139,971.56/x
  3. Step 3: Cross multiply
    38,668,680.59x = 53,347,676.15 × 22,139,971.56
  4. Step 4: Simplify right side
    38,668,680.59x = 1,181,116,032,808,440.25
  5. Step 5: Solve for x
    x = 1,181,116,032,808,440.25/38,668,680.59
  6. Step 6: Final answer
    x = 30,544,513.41

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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.