Home / 13,980,664.56-20,963,983.46-8,146,740

Finding the Fourth Proportional to 13,980,664.56, 20,963,983.46 and 8,146,740

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Solution

The fourth proportional to 13,980,664.56, 20,963,983.46 and 8,146,740 is: 12,216,023.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,980,664.56 : 20,963,983.46 = 8,146,740 : x
  2. Step 2: Convert to fraction form
    13,980,664.56/20,963,983.46 = 8,146,740/x
  3. Step 3: Cross multiply
    13,980,664.56x = 20,963,983.46 × 8,146,740
  4. Step 4: Simplify right side
    13,980,664.56x = 170,788,122,612,920.41
  5. Step 5: Solve for x
    x = 170,788,122,612,920.41/13,980,664.56
  6. Step 6: Final answer
    x = 12,216,023.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.