Home / 18,219,374.70-27,329,062.05-7,433,090.70

Finding the Fourth Proportional to 18,219,374.70, 27,329,062.05 and 7,433,090.70

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Solution

The fourth proportional to 18,219,374.70, 27,329,062.05 and 7,433,090.70 is: 11,149,636.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,219,374.70 : 27,329,062.05 = 7,433,090.70 : x
  2. Step 2: Convert to fraction form
    18,219,374.70/27,329,062.05 = 7,433,090.70/x
  3. Step 3: Cross multiply
    18,219,374.70x = 27,329,062.05 × 7,433,090.70
  4. Step 4: Simplify right side
    18,219,374.70x = 203,139,396,963,577.94
  5. Step 5: Solve for x
    x = 203,139,396,963,577.94/18,219,374.70
  6. Step 6: Final answer
    x = 11,149,636.05

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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.