Home / 6,812,188.08-10,215,315.04-1,953,420.88

Finding the Fourth Proportional to 6,812,188.08, 10,215,315.04 and 1,953,420.88

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Solution

The fourth proportional to 6,812,188.08, 10,215,315.04 and 1,953,420.88 is: 2,929,280.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,812,188.08 : 10,215,315.04 = 1,953,420.88 : x
  2. Step 2: Convert to fraction form
    6,812,188.08/10,215,315.04 = 1,953,420.88/x
  3. Step 3: Cross multiply
    6,812,188.08x = 10,215,315.04 × 1,953,420.88
  4. Step 4: Simplify right side
    6,812,188.08x = 19,954,809,694,914.03
  5. Step 5: Solve for x
    x = 19,954,809,694,914.03/6,812,188.08
  6. Step 6: Final answer
    x = 2,929,280.50

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1.5x scale

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.