Home / 27,867,690.44-38,455,289.70-15,642,185.48

Finding the Fourth Proportional to 27,867,690.44, 38,455,289.70 and 15,642,185.48

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Solution

The fourth proportional to 27,867,690.44, 38,455,289.70 and 15,642,185.48 is: 21,585,024.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,867,690.44 : 38,455,289.70 = 15,642,185.48 : x
  2. Step 2: Convert to fraction form
    27,867,690.44/38,455,289.70 = 15,642,185.48/x
  3. Step 3: Cross multiply
    27,867,690.44x = 38,455,289.70 × 15,642,185.48
  4. Step 4: Simplify right side
    27,867,690.44x = 601,524,774,174,533.62
  5. Step 5: Solve for x
    x = 601,524,774,174,533.62/27,867,690.44
  6. Step 6: Final answer
    x = 21,585,024.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.