Home / 55,196,359.60-82,794,539.40-18,845,795.20

Finding the Fourth Proportional to 55,196,359.60, 82,794,539.40 and 18,845,795.20

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Solution

The fourth proportional to 55,196,359.60, 82,794,539.40 and 18,845,795.20 is: 28,268,692.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,196,359.60 : 82,794,539.40 = 18,845,795.20 : x
  2. Step 2: Convert to fraction form
    55,196,359.60/82,794,539.40 = 18,845,795.20/x
  3. Step 3: Cross multiply
    55,196,359.60x = 82,794,539.40 × 18,845,795.20
  4. Step 4: Simplify right side
    55,196,359.60x = 1,560,328,933,210,731
  5. Step 5: Solve for x
    x = 1,560,328,933,210,731/55,196,359.60
  6. Step 6: Final answer
    x = 28,268,692.80

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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.