Home / 21,896,958.15-30,216,581.10-12,106,814.31

Finding the Fourth Proportional to 21,896,958.15, 30,216,581.10 and 12,106,814.31

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Solution

The fourth proportional to 21,896,958.15, 30,216,581.10 and 12,106,814.31 is: 16,706,728.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,896,958.15 : 30,216,581.10 = 12,106,814.31 : x
  2. Step 2: Convert to fraction form
    21,896,958.15/30,216,581.10 = 12,106,814.31/x
  3. Step 3: Cross multiply
    21,896,958.15x = 30,216,581.10 × 12,106,814.31
  4. Step 4: Simplify right side
    21,896,958.15x = 365,826,536,460,755.56
  5. Step 5: Solve for x
    x = 365,826,536,460,755.56/21,896,958.15
  6. Step 6: Final answer
    x = 16,706,728.58

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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.