Home / 13,476,857.70-20,201,508.45-6,642,920.10

Finding the Fourth Proportional to 13,476,857.70, 20,201,508.45 and 6,642,920.10

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Solution

The fourth proportional to 13,476,857.70, 20,201,508.45 and 6,642,920.10 is: 9,957,588.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,476,857.70 : 20,201,508.45 = 6,642,920.10 : x
  2. Step 2: Convert to fraction form
    13,476,857.70/20,201,508.45 = 6,642,920.10/x
  3. Step 3: Cross multiply
    13,476,857.70x = 20,201,508.45 × 6,642,920.10
  4. Step 4: Simplify right side
    13,476,857.70x = 134,197,006,532,824.83
  5. Step 5: Solve for x
    x = 134,197,006,532,824.83/13,476,857.70
  6. Step 6: Final answer
    x = 9,957,588.74

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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.