Home / 43,769,436.40-65,654,206.44-11,421,315.28

Finding the Fourth Proportional to 43,769,436.40, 65,654,206.44 and 11,421,315.28

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Solution

The fourth proportional to 43,769,436.40, 65,654,206.44 and 11,421,315.28 is: 17,131,986.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,769,436.40 : 65,654,206.44 = 11,421,315.28 : x
  2. Step 2: Convert to fraction form
    43,769,436.40/65,654,206.44 = 11,421,315.28/x
  3. Step 3: Cross multiply
    43,769,436.40x = 65,654,206.44 × 11,421,315.28
  4. Step 4: Simplify right side
    43,769,436.40x = 749,857,391,209,446.38
  5. Step 5: Solve for x
    x = 749,857,391,209,446.38/43,769,436.40
  6. Step 6: Final answer
    x = 17,131,986.45

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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.