Home / 21,004,107.51-31,446,746.67-11,133,680.43

Finding the Fourth Proportional to 21,004,107.51, 31,446,746.67 and 11,133,680.43

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Solution

The fourth proportional to 21,004,107.51, 31,446,746.67 and 11,133,680.43 is: 16,669,026.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,004,107.51 : 31,446,746.67 = 11,133,680.43 : x
  2. Step 2: Convert to fraction form
    21,004,107.51/31,446,746.67 = 11,133,680.43/x
  3. Step 3: Cross multiply
    21,004,107.51x = 31,446,746.67 × 11,133,680.43
  4. Step 4: Simplify right side
    21,004,107.51x = 350,118,027,986,946.69
  5. Step 5: Solve for x
    x = 350,118,027,986,946.69/21,004,107.51
  6. Step 6: Final answer
    x = 16,669,026.66

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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.