Home / 18,972,339.31-26,181,798.10-10,270,509.63

Finding the Fourth Proportional to 18,972,339.31, 26,181,798.10 and 10,270,509.63

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Solution

The fourth proportional to 18,972,339.31, 26,181,798.10 and 10,270,509.63 is: 14,173,286.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,972,339.31 : 26,181,798.10 = 10,270,509.63 : x
  2. Step 2: Convert to fraction form
    18,972,339.31/26,181,798.10 = 10,270,509.63/x
  3. Step 3: Cross multiply
    18,972,339.31x = 26,181,798.10 × 10,270,509.63
  4. Step 4: Simplify right side
    18,972,339.31x = 268,900,409,516,765.75
  5. Step 5: Solve for x
    x = 268,900,409,516,765.75/18,972,339.31
  6. Step 6: Final answer
    x = 14,173,286.97

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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.