Home / 6,915,905.80-10,366,860.30-4,074,555.40

Finding the Fourth Proportional to 6,915,905.80, 10,366,860.30 and 4,074,555.40

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Solution

The fourth proportional to 6,915,905.80, 10,366,860.30 and 4,074,555.40 is: 6,107,709.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,915,905.80 : 10,366,860.30 = 4,074,555.40 : x
  2. Step 2: Convert to fraction form
    6,915,905.80/10,366,860.30 = 4,074,555.40/x
  3. Step 3: Cross multiply
    6,915,905.80x = 10,366,860.30 × 4,074,555.40
  4. Step 4: Simplify right side
    6,915,905.80x = 42,240,346,616,410.62
  5. Step 5: Solve for x
    x = 42,240,346,616,410.62/6,915,905.80
  6. Step 6: Final answer
    x = 6,107,709.94

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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.