Home / 7,718,356.80-10,651,969.92-4,281,705.60

Finding the Fourth Proportional to 7,718,356.80, 10,651,969.92 and 4,281,705.60

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Solution

The fourth proportional to 7,718,356.80, 10,651,969.92 and 4,281,705.60 is: 5,909,107.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,718,356.80 : 10,651,969.92 = 4,281,705.60 : x
  2. Step 2: Convert to fraction form
    7,718,356.80/10,651,969.92 = 4,281,705.60/x
  3. Step 3: Cross multiply
    7,718,356.80x = 10,651,969.92 × 4,281,705.60
  4. Step 4: Simplify right side
    7,718,356.80x = 45,608,599,257,495.55
  5. Step 5: Solve for x
    x = 45,608,599,257,495.55/7,718,356.80
  6. Step 6: Final answer
    x = 5,909,107.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.