Home / 18,485,437.44-27,730,678.32-7,700,216.03

Finding the Fourth Proportional to 18,485,437.44, 27,730,678.32 and 7,700,216.03

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Solution

The fourth proportional to 18,485,437.44, 27,730,678.32 and 7,700,216.03 is: 11,551,374.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,485,437.44 : 27,730,678.32 = 7,700,216.03 : x
  2. Step 2: Convert to fraction form
    18,485,437.44/27,730,678.32 = 7,700,216.03/x
  3. Step 3: Cross multiply
    18,485,437.44x = 27,730,678.32 × 7,700,216.03
  4. Step 4: Simplify right side
    18,485,437.44x = 213,532,213,687,774.12
  5. Step 5: Solve for x
    x = 213,532,213,687,774.12/18,485,437.44
  6. Step 6: Final answer
    x = 11,551,374.66

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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.