Home / 7,878,200.18-10,880,884.31-5,295,396.92

Finding the Fourth Proportional to 7,878,200.18, 10,880,884.31 and 5,295,396.92

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Solution

The fourth proportional to 7,878,200.18, 10,880,884.31 and 5,295,396.92 is: 7,313,675.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,878,200.18 : 10,880,884.31 = 5,295,396.92 : x
  2. Step 2: Convert to fraction form
    7,878,200.18/10,880,884.31 = 5,295,396.92/x
  3. Step 3: Cross multiply
    7,878,200.18x = 10,880,884.31 × 5,295,396.92
  4. Step 4: Simplify right side
    7,878,200.18x = 57,618,601,242,373.90
  5. Step 5: Solve for x
    x = 57,618,601,242,373.90/7,878,200.18
  6. Step 6: Final answer
    x = 7,313,675.70

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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.