Home / 11,537,191.40-15,923,454.03-7,412,378.88

Finding the Fourth Proportional to 11,537,191.40, 15,923,454.03 and 7,412,378.88

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Solution

The fourth proportional to 11,537,191.40, 15,923,454.03 and 7,412,378.88 is: 10,230,451.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,537,191.40 : 15,923,454.03 = 7,412,378.88 : x
  2. Step 2: Convert to fraction form
    11,537,191.40/15,923,454.03 = 7,412,378.88/x
  3. Step 3: Cross multiply
    11,537,191.40x = 15,923,454.03 × 7,412,378.88
  4. Step 4: Simplify right side
    11,537,191.40x = 118,030,674,348,622.88
  5. Step 5: Solve for x
    x = 118,030,674,348,622.88/11,537,191.40
  6. Step 6: Final answer
    x = 10,230,451.26

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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.