Home / 20,718,725.14-31,083,313.43-6,885,756.46

Finding the Fourth Proportional to 20,718,725.14, 31,083,313.43 and 6,885,756.46

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Solution

The fourth proportional to 20,718,725.14, 31,083,313.43 and 6,885,756.46 is: 10,330,371.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,718,725.14 : 31,083,313.43 = 6,885,756.46 : x
  2. Step 2: Convert to fraction form
    20,718,725.14/31,083,313.43 = 6,885,756.46/x
  3. Step 3: Cross multiply
    20,718,725.14x = 31,083,313.43 × 6,885,756.46
  4. Step 4: Simplify right side
    20,718,725.14x = 214,032,126,248,827.25
  5. Step 5: Solve for x
    x = 214,032,126,248,827.25/20,718,725.14
  6. Step 6: Final answer
    x = 10,330,371.43

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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.