Home / 38,556,656.46-57,798,228.21-12,984,506.70

Finding the Fourth Proportional to 38,556,656.46, 57,798,228.21 and 12,984,506.70

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Solution

The fourth proportional to 38,556,656.46, 57,798,228.21 and 12,984,506.70 is: 19,464,381.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,556,656.46 : 57,798,228.21 = 12,984,506.70 : x
  2. Step 2: Convert to fraction form
    38,556,656.46/57,798,228.21 = 12,984,506.70/x
  3. Step 3: Cross multiply
    38,556,656.46x = 57,798,228.21 × 12,984,506.70
  4. Step 4: Simplify right side
    38,556,656.46x = 750,481,481,440,874
  5. Step 5: Solve for x
    x = 750,481,481,440,874/38,556,656.46
  6. Step 6: Final answer
    x = 19,464,381.78

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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.