Home / 13,567,540.40-20,344,895.40-7,889,505.20

Finding the Fourth Proportional to 13,567,540.40, 20,344,895.40 and 7,889,505.20

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Solution

The fourth proportional to 13,567,540.40, 20,344,895.40 and 7,889,505.20 is: 11,830,527.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,567,540.40 : 20,344,895.40 = 7,889,505.20 : x
  2. Step 2: Convert to fraction form
    13,567,540.40/20,344,895.40 = 7,889,505.20/x
  3. Step 3: Cross multiply
    13,567,540.40x = 20,344,895.40 × 7,889,505.20
  4. Step 4: Simplify right side
    13,567,540.40x = 160,511,158,051,756.06
  5. Step 5: Solve for x
    x = 160,511,158,051,756.06/13,567,540.40
  6. Step 6: Final answer
    x = 11,830,527.37

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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.