Home / 21,606,324.48-29,814,862.20-12,186,596.82

Finding the Fourth Proportional to 21,606,324.48, 29,814,862.20 and 12,186,596.82

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Solution

The fourth proportional to 21,606,324.48, 29,814,862.20 and 12,186,596.82 is: 16,816,451.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,606,324.48 : 29,814,862.20 = 12,186,596.82 : x
  2. Step 2: Convert to fraction form
    21,606,324.48/29,814,862.20 = 12,186,596.82/x
  3. Step 3: Cross multiply
    21,606,324.48x = 29,814,862.20 × 12,186,596.82
  4. Step 4: Simplify right side
    21,606,324.48x = 363,341,704,875,258.19
  5. Step 5: Solve for x
    x = 363,341,704,875,258.19/21,606,324.48
  6. Step 6: Final answer
    x = 16,816,451.37

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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.