Home / 7,196,949.20-10,795,423.80-1,878,165.20

Finding the Fourth Proportional to 7,196,949.20, 10,795,423.80 and 1,878,165.20

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Solution

The fourth proportional to 7,196,949.20, 10,795,423.80 and 1,878,165.20 is: 2,817,247.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,196,949.20 : 10,795,423.80 = 1,878,165.20 : x
  2. Step 2: Convert to fraction form
    7,196,949.20/10,795,423.80 = 1,878,165.20/x
  3. Step 3: Cross multiply
    7,196,949.20x = 10,795,423.80 × 1,878,165.20
  4. Step 4: Simplify right side
    7,196,949.20x = 20,275,589,300,411.76
  5. Step 5: Solve for x
    x = 20,275,589,300,411.76/7,196,949.20
  6. Step 6: Final answer
    x = 2,817,247.80

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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.