Home / 7,943,564.20-11,915,346.30-4,920,255.40

Finding the Fourth Proportional to 7,943,564.20, 11,915,346.30 and 4,920,255.40

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Solution

The fourth proportional to 7,943,564.20, 11,915,346.30 and 4,920,255.40 is: 7,380,383.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,943,564.20 : 11,915,346.30 = 4,920,255.40 : x
  2. Step 2: Convert to fraction form
    7,943,564.20/11,915,346.30 = 4,920,255.40/x
  3. Step 3: Cross multiply
    7,943,564.20x = 11,915,346.30 × 4,920,255.40
  4. Step 4: Simplify right side
    7,943,564.20x = 58,626,546,975,445.03
  5. Step 5: Solve for x
    x = 58,626,546,975,445.03/7,943,564.20
  6. Step 6: Final answer
    x = 7,380,383.10

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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.