Home / 25,495,123.90-38,242,638.46-7,989,021.58

Finding the Fourth Proportional to 25,495,123.90, 38,242,638.46 and 7,989,021.58

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Solution

The fourth proportional to 25,495,123.90, 38,242,638.46 and 7,989,021.58 is: 11,983,517.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,495,123.90 : 38,242,638.46 = 7,989,021.58 : x
  2. Step 2: Convert to fraction form
    25,495,123.90/38,242,638.46 = 7,989,021.58/x
  3. Step 3: Cross multiply
    25,495,123.90x = 38,242,638.46 × 7,989,021.58
  4. Step 4: Simplify right side
    25,495,123.90x = 305,521,263,933,078
  5. Step 5: Solve for x
    x = 305,521,263,933,078/25,495,123.90
  6. Step 6: Final answer
    x = 11,983,517.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.