Home / 12,371,390.26-17,071,698.14-6,864,416.12

Finding the Fourth Proportional to 12,371,390.26, 17,071,698.14 and 6,864,416.12

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Solution

The fourth proportional to 12,371,390.26, 17,071,698.14 and 6,864,416.12 is: 9,472,439.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,371,390.26 : 17,071,698.14 = 6,864,416.12 : x
  2. Step 2: Convert to fraction form
    12,371,390.26/17,071,698.14 = 6,864,416.12/x
  3. Step 3: Cross multiply
    12,371,390.26x = 17,071,698.14 × 6,864,416.12
  4. Step 4: Simplify right side
    12,371,390.26x = 117,187,239,907,990.02
  5. Step 5: Solve for x
    x = 117,187,239,907,990.02/12,371,390.26
  6. Step 6: Final answer
    x = 9,472,439.03

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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.