Home / 17,631,308.91-26,434,889.64-8,978,660.31

Finding the Fourth Proportional to 17,631,308.91, 26,434,889.64 and 8,978,660.31

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Solution

The fourth proportional to 17,631,308.91, 26,434,889.64 and 8,978,660.31 is: 13,461,841.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,631,308.91 : 26,434,889.64 = 8,978,660.31 : x
  2. Step 2: Convert to fraction form
    17,631,308.91/26,434,889.64 = 8,978,660.31/x
  3. Step 3: Cross multiply
    17,631,308.91x = 26,434,889.64 × 8,978,660.31
  4. Step 4: Simplify right side
    17,631,308.91x = 237,349,894,409,898.22
  5. Step 5: Solve for x
    x = 237,349,894,409,898.22/17,631,308.91
  6. Step 6: Final answer
    x = 13,461,841.98

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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.