Home / 8,308,277.20-12,462,415.80-7,916,366.80

Finding the Fourth Proportional to 8,308,277.20, 12,462,415.80 and 7,916,366.80

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Solution

The fourth proportional to 8,308,277.20, 12,462,415.80 and 7,916,366.80 is: 11,874,550.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,308,277.20 : 12,462,415.80 = 7,916,366.80 : x
  2. Step 2: Convert to fraction form
    8,308,277.20/12,462,415.80 = 7,916,366.80/x
  3. Step 3: Cross multiply
    8,308,277.20x = 12,462,415.80 × 7,916,366.80
  4. Step 4: Simplify right side
    8,308,277.20x = 98,657,054,686,915.44
  5. Step 5: Solve for x
    x = 98,657,054,686,915.44/8,308,277.20
  6. Step 6: Final answer
    x = 11,874,550.20

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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.