Home / 20,146,055.40-30,201,368.40-12,062,247.30

Finding the Fourth Proportional to 20,146,055.40, 30,201,368.40 and 12,062,247.30

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Solution

The fourth proportional to 20,146,055.40, 30,201,368.40 and 12,062,247.30 is: 18,082,764.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,146,055.40 : 30,201,368.40 = 12,062,247.30 : x
  2. Step 2: Convert to fraction form
    20,146,055.40/30,201,368.40 = 12,062,247.30/x
  3. Step 3: Cross multiply
    20,146,055.40x = 30,201,368.40 × 12,062,247.30
  4. Step 4: Simplify right side
    20,146,055.40x = 364,296,374,439,205.31
  5. Step 5: Solve for x
    x = 364,296,374,439,205.31/20,146,055.40
  6. Step 6: Final answer
    x = 18,082,764.45

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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.