Home / 7,882,403.80-11,823,605.70-7,705,256.80

Finding the Fourth Proportional to 7,882,403.80, 11,823,605.70 and 7,705,256.80

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Solution

The fourth proportional to 7,882,403.80, 11,823,605.70 and 7,705,256.80 is: 11,557,885.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,882,403.80 : 11,823,605.70 = 7,705,256.80 : x
  2. Step 2: Convert to fraction form
    7,882,403.80/11,823,605.70 = 7,705,256.80/x
  3. Step 3: Cross multiply
    7,882,403.80x = 11,823,605.70 × 7,705,256.80
  4. Step 4: Simplify right side
    7,882,403.80x = 91,103,918,220,443.75
  5. Step 5: Solve for x
    x = 91,103,918,220,443.75/7,882,403.80
  6. Step 6: Final answer
    x = 11,557,885.20

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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.