Home / 19,691,301.40-29,522,955.30-7,556,075.80

Finding the Fourth Proportional to 19,691,301.40, 29,522,955.30 and 7,556,075.80

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Solution

The fourth proportional to 19,691,301.40, 29,522,955.30 and 7,556,075.80 is: 11,328,742.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,691,301.40 : 29,522,955.30 = 7,556,075.80 : x
  2. Step 2: Convert to fraction form
    19,691,301.40/29,522,955.30 = 7,556,075.80/x
  3. Step 3: Cross multiply
    19,691,301.40x = 29,522,955.30 × 7,556,075.80
  4. Step 4: Simplify right side
    19,691,301.40x = 223,077,688,086,811.75
  5. Step 5: Solve for x
    x = 223,077,688,086,811.75/19,691,301.40
  6. Step 6: Final answer
    x = 11,328,742.76

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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.