Home / 11,910,715.83-16,427,521.38-8,615,371.63

Finding the Fourth Proportional to 11,910,715.83, 16,427,521.38 and 8,615,371.63

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Solution

The fourth proportional to 11,910,715.83, 16,427,521.38 and 8,615,371.63 is: 11,882,510.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,910,715.83 : 16,427,521.38 = 8,615,371.63 : x
  2. Step 2: Convert to fraction form
    11,910,715.83/16,427,521.38 = 8,615,371.63/x
  3. Step 3: Cross multiply
    11,910,715.83x = 16,427,521.38 × 8,615,371.63
  4. Step 4: Simplify right side
    11,910,715.83x = 141,529,201,648,470.47
  5. Step 5: Solve for x
    x = 141,529,201,648,470.47/11,910,715.83
  6. Step 6: Final answer
    x = 11,882,510.14

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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.