Home / 11,875,116.51-16,387,592.34-6,442,491.87

Finding the Fourth Proportional to 11,875,116.51, 16,387,592.34 and 6,442,491.87

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Solution

The fourth proportional to 11,875,116.51, 16,387,592.34 and 6,442,491.87 is: 8,890,601.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,875,116.51 : 16,387,592.34 = 6,442,491.87 : x
  2. Step 2: Convert to fraction form
    11,875,116.51/16,387,592.34 = 6,442,491.87/x
  3. Step 3: Cross multiply
    11,875,116.51x = 16,387,592.34 × 6,442,491.87
  4. Step 4: Simplify right side
    11,875,116.51x = 105,576,930,419,324.28
  5. Step 5: Solve for x
    x = 105,576,930,419,324.28/11,875,116.51
  6. Step 6: Final answer
    x = 8,890,601.65

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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.