Home / 11,671,436.80-17,496,657.60-7,409,411.20

Finding the Fourth Proportional to 11,671,436.80, 17,496,657.60 and 7,409,411.20

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Solution

The fourth proportional to 11,671,436.80, 17,496,657.60 and 7,409,411.20 is: 11,107,452.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,671,436.80 : 17,496,657.60 = 7,409,411.20 : x
  2. Step 2: Convert to fraction form
    11,671,436.80/17,496,657.60 = 7,409,411.20/x
  3. Step 3: Cross multiply
    11,671,436.80x = 17,496,657.60 × 7,409,411.20
  4. Step 4: Simplify right side
    11,671,436.80x = 129,639,930,784,005.14
  5. Step 5: Solve for x
    x = 129,639,930,784,005.14/11,671,436.80
  6. Step 6: Final answer
    x = 11,107,452.58

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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.