Home / 12,196,456.84-16,830,993.54-6,689,717.56

Finding the Fourth Proportional to 12,196,456.84, 16,830,993.54 and 6,689,717.56

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Solution

The fourth proportional to 12,196,456.84, 16,830,993.54 and 6,689,717.56 is: 9,231,746.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,196,456.84 : 16,830,993.54 = 6,689,717.56 : x
  2. Step 2: Convert to fraction form
    12,196,456.84/16,830,993.54 = 6,689,717.56/x
  3. Step 3: Cross multiply
    12,196,456.84x = 16,830,993.54 × 6,689,717.56
  4. Step 4: Simplify right side
    12,196,456.84x = 112,594,593,036,784.55
  5. Step 5: Solve for x
    x = 112,594,593,036,784.55/12,196,456.84
  6. Step 6: Final answer
    x = 9,231,746.11

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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.