Home / 23,131,379.94-31,921,493.25-12,818,275.22

Finding the Fourth Proportional to 23,131,379.94, 31,921,493.25 and 12,818,275.22

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Solution

The fourth proportional to 23,131,379.94, 31,921,493.25 and 12,818,275.22 is: 17,689,324.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,131,379.94 : 31,921,493.25 = 12,818,275.22 : x
  2. Step 2: Convert to fraction form
    23,131,379.94/31,921,493.25 = 12,818,275.22/x
  3. Step 3: Cross multiply
    23,131,379.94x = 31,921,493.25 × 12,818,275.22
  4. Step 4: Simplify right side
    23,131,379.94x = 409,178,485,911,872.31
  5. Step 5: Solve for x
    x = 409,178,485,911,872.31/23,131,379.94
  6. Step 6: Final answer
    x = 17,689,324.50

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1.5x scale

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.