Home / 7,886,312.40-11,822,907.60-3,340,851.60

Finding the Fourth Proportional to 7,886,312.40, 11,822,907.60 and 3,340,851.60

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Solution

The fourth proportional to 7,886,312.40, 11,822,907.60 and 3,340,851.60 is: 5,008,497.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,886,312.40 : 11,822,907.60 = 3,340,851.60 : x
  2. Step 2: Convert to fraction form
    7,886,312.40/11,822,907.60 = 3,340,851.60/x
  3. Step 3: Cross multiply
    7,886,312.40x = 11,822,907.60 × 3,340,851.60
  4. Step 4: Simplify right side
    7,886,312.40x = 39,498,579,772,112.16
  5. Step 5: Solve for x
    x = 39,498,579,772,112.16/7,886,312.40
  6. Step 6: Final answer
    x = 5,008,497.99

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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.