Home / 21,409,582.52-29,545,251.57-11,620,025.66

Finding the Fourth Proportional to 21,409,582.52, 29,545,251.57 and 11,620,025.66

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Solution

The fourth proportional to 21,409,582.52, 29,545,251.57 and 11,620,025.66 is: 16,035,650.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,409,582.52 : 29,545,251.57 = 11,620,025.66 : x
  2. Step 2: Convert to fraction form
    21,409,582.52/29,545,251.57 = 11,620,025.66/x
  3. Step 3: Cross multiply
    21,409,582.52x = 29,545,251.57 × 11,620,025.66
  4. Step 4: Simplify right side
    21,409,582.52x = 343,316,581,226,829
  5. Step 5: Solve for x
    x = 343,316,581,226,829/21,409,582.52
  6. Step 6: Final answer
    x = 16,035,650.44

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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.