Home / 21,573,187.40-29,770,801.86-11,783,630

Finding the Fourth Proportional to 21,573,187.40, 29,770,801.86 and 11,783,630

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Solution

The fourth proportional to 21,573,187.40, 29,770,801.86 and 11,783,630 is: 16,261,301.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,573,187.40 : 29,770,801.86 = 11,783,630 : x
  2. Step 2: Convert to fraction form
    21,573,187.40/29,770,801.86 = 11,783,630/x
  3. Step 3: Cross multiply
    21,573,187.40x = 29,770,801.86 × 11,783,630
  4. Step 4: Simplify right side
    21,573,187.40x = 350,808,113,921,551.81
  5. Step 5: Solve for x
    x = 350,808,113,921,551.81/21,573,187.40
  6. Step 6: Final answer
    x = 16,261,301.93

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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.