Home / 18,812,212.92-25,960,746.78-10,439,498.88

Finding the Fourth Proportional to 18,812,212.92, 25,960,746.78 and 10,439,498.88

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Solution

The fourth proportional to 18,812,212.92, 25,960,746.78 and 10,439,498.88 is: 14,406,449.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,812,212.92 : 25,960,746.78 = 10,439,498.88 : x
  2. Step 2: Convert to fraction form
    18,812,212.92/25,960,746.78 = 10,439,498.88/x
  3. Step 3: Cross multiply
    18,812,212.92x = 25,960,746.78 × 10,439,498.88
  4. Step 4: Simplify right side
    18,812,212.92x = 271,017,186,933,773.62
  5. Step 5: Solve for x
    x = 271,017,186,933,773.62/18,812,212.92
  6. Step 6: Final answer
    x = 14,406,449.05

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1.5x scale

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.