Home / 10,631,880.80-15,947,821.20-6,078,255.20

Finding the Fourth Proportional to 10,631,880.80, 15,947,821.20 and 6,078,255.20

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Solution

The fourth proportional to 10,631,880.80, 15,947,821.20 and 6,078,255.20 is: 9,117,382.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,631,880.80 : 15,947,821.20 = 6,078,255.20 : x
  2. Step 2: Convert to fraction form
    10,631,880.80/15,947,821.20 = 6,078,255.20/x
  3. Step 3: Cross multiply
    10,631,880.80x = 15,947,821.20 × 6,078,255.20
  4. Step 4: Simplify right side
    10,631,880.80x = 96,934,927,137,570.23
  5. Step 5: Solve for x
    x = 96,934,927,137,570.23/10,631,880.80
  6. Step 6: Final answer
    x = 9,117,382.80

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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.