Home / 7,712,212.40-11,560,445.40-4,515,693.20

Finding the Fourth Proportional to 7,712,212.40, 11,560,445.40 and 4,515,693.20

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Solution

The fourth proportional to 7,712,212.40, 11,560,445.40 and 4,515,693.20 is: 6,768,929.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,712,212.40 : 11,560,445.40 = 4,515,693.20 : x
  2. Step 2: Convert to fraction form
    7,712,212.40/11,560,445.40 = 4,515,693.20/x
  3. Step 3: Cross multiply
    7,712,212.40x = 11,560,445.40 × 4,515,693.20
  4. Step 4: Simplify right side
    7,712,212.40x = 52,203,424,681,751.28
  5. Step 5: Solve for x
    x = 52,203,424,681,751.28/7,712,212.40
  6. Step 6: Final answer
    x = 6,768,929.84

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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.