Home / 12,449,481.76-17,180,416.08-7,016,973.76

Finding the Fourth Proportional to 12,449,481.76, 17,180,416.08 and 7,016,973.76

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Solution

The fourth proportional to 12,449,481.76, 17,180,416.08 and 7,016,973.76 is: 9,683,497.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,449,481.76 : 17,180,416.08 = 7,016,973.76 : x
  2. Step 2: Convert to fraction form
    12,449,481.76/17,180,416.08 = 7,016,973.76/x
  3. Step 3: Cross multiply
    12,449,481.76x = 17,180,416.08 × 7,016,973.76
  4. Step 4: Simplify right side
    12,449,481.76x = 120,554,528,819,242.05
  5. Step 5: Solve for x
    x = 120,554,528,819,242.05/12,449,481.76
  6. Step 6: Final answer
    x = 9,683,497.77

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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.