Home / 20,712,160,374.22-28,590,554,185.26-13,576,034,063.80

Finding the Fourth Proportional to 20,712,160,374.22, 28,590,554,185.26 and 13,576,034,063.80

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Solution

The fourth proportional to 20,712,160,374.22, 28,590,554,185.26 and 13,576,034,063.80 is: 18,740,021,828.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,712,160,374.22 : 28,590,554,185.26 = 13,576,034,063.80 : x
  2. Step 2: Convert to fraction form
    20,712,160,374.22/28,590,554,185.26 = 13,576,034,063.80/x
  3. Step 3: Cross multiply
    20,712,160,374.22x = 28,590,554,185.26 × 13,576,034,063.80
  4. Step 4: Simplify right side
    20,712,160,374.22x = 388,146,337,522,009,374,720
  5. Step 5: Solve for x
    x = 388,146,337,522,009,374,720/20,712,160,374.22
  6. Step 6: Final answer
    x = 18,740,021,828.20

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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.