Home / 7,631,476.80-11,447,215.20-1,952,145.60

Finding the Fourth Proportional to 7,631,476.80, 11,447,215.20 and 1,952,145.60

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Solution

The fourth proportional to 7,631,476.80, 11,447,215.20 and 1,952,145.60 is: 2,928,218.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,631,476.80 : 11,447,215.20 = 1,952,145.60 : x
  2. Step 2: Convert to fraction form
    7,631,476.80/11,447,215.20 = 1,952,145.60/x
  3. Step 3: Cross multiply
    7,631,476.80x = 11,447,215.20 × 1,952,145.60
  4. Step 4: Simplify right side
    7,631,476.80x = 22,346,630,784,933.12
  5. Step 5: Solve for x
    x = 22,346,630,784,933.12/7,631,476.80
  6. Step 6: Final answer
    x = 2,928,218.40

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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.