Home / 6,805,280.40-10,207,920.60-3,018,763.28

Finding the Fourth Proportional to 6,805,280.40, 10,207,920.60 and 3,018,763.28

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Solution

The fourth proportional to 6,805,280.40, 10,207,920.60 and 3,018,763.28 is: 4,528,144.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,805,280.40 : 10,207,920.60 = 3,018,763.28 : x
  2. Step 2: Convert to fraction form
    6,805,280.40/10,207,920.60 = 3,018,763.28/x
  3. Step 3: Cross multiply
    6,805,280.40x = 10,207,920.60 × 3,018,763.28
  4. Step 4: Simplify right side
    6,805,280.40x = 30,815,295,821,395.96
  5. Step 5: Solve for x
    x = 30,815,295,821,395.96/6,805,280.40
  6. Step 6: Final answer
    x = 4,528,144.91

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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.