Home / 23,022,852.81-31,771,638.36-12,709,660.65

Finding the Fourth Proportional to 23,022,852.81, 31,771,638.36 and 12,709,660.65

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Solution

The fourth proportional to 23,022,852.81, 31,771,638.36 and 12,709,660.65 is: 17,539,387.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,022,852.81 : 31,771,638.36 = 12,709,660.65 : x
  2. Step 2: Convert to fraction form
    23,022,852.81/31,771,638.36 = 12,709,660.65/x
  3. Step 3: Cross multiply
    23,022,852.81x = 31,771,638.36 × 12,709,660.65
  4. Step 4: Simplify right side
    23,022,852.81x = 403,806,741,850,122.56
  5. Step 5: Solve for x
    x = 403,806,741,850,122.56/23,022,852.81
  6. Step 6: Final answer
    x = 17,539,387.72

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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.