Home / 12,160,869.29-16,782,376.08-6,654,476.23

Finding the Fourth Proportional to 12,160,869.29, 16,782,376.08 and 6,654,476.23

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Solution

The fourth proportional to 12,160,869.29, 16,782,376.08 and 6,654,476.23 is: 9,183,383.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,160,869.29 : 16,782,376.08 = 6,654,476.23 : x
  2. Step 2: Convert to fraction form
    12,160,869.29/16,782,376.08 = 6,654,476.23/x
  3. Step 3: Cross multiply
    12,160,869.29x = 16,782,376.08 × 6,654,476.23
  4. Step 4: Simplify right side
    12,160,869.29x = 111,677,922,652,847.50
  5. Step 5: Solve for x
    x = 111,677,922,652,847.50/12,160,869.29
  6. Step 6: Final answer
    x = 9,183,383.19

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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.