Home / 13,206,768.30-19,810,152.45-8,167,920.30

Finding the Fourth Proportional to 13,206,768.30, 19,810,152.45 and 8,167,920.30

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Solution

The fourth proportional to 13,206,768.30, 19,810,152.45 and 8,167,920.30 is: 12,251,880.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,206,768.30 : 19,810,152.45 = 8,167,920.30 : x
  2. Step 2: Convert to fraction form
    13,206,768.30/19,810,152.45 = 8,167,920.30/x
  3. Step 3: Cross multiply
    13,206,768.30x = 19,810,152.45 × 8,167,920.30
  4. Step 4: Simplify right side
    13,206,768.30x = 161,807,746,342,449.72
  5. Step 5: Solve for x
    x = 161,807,746,342,449.72/13,206,768.30
  6. Step 6: Final answer
    x = 12,251,880.45

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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.