Home / 7,706,391.40-11,556,087.90-2,912,487.40

Finding the Fourth Proportional to 7,706,391.40, 11,556,087.90 and 2,912,487.40

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Solution

The fourth proportional to 7,706,391.40, 11,556,087.90 and 2,912,487.40 is: 4,367,408.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,706,391.40 : 11,556,087.90 = 2,912,487.40 : x
  2. Step 2: Convert to fraction form
    7,706,391.40/11,556,087.90 = 2,912,487.40/x
  3. Step 3: Cross multiply
    7,706,391.40x = 11,556,087.90 × 2,912,487.40
  4. Step 4: Simplify right side
    7,706,391.40x = 33,656,960,402,042.46
  5. Step 5: Solve for x
    x = 33,656,960,402,042.46/7,706,391.40
  6. Step 6: Final answer
    x = 4,367,408.64

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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.