Home / 20,553,664.60-30,830,496.90-12,043,610.20

Finding the Fourth Proportional to 20,553,664.60, 30,830,496.90 and 12,043,610.20

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Solution

The fourth proportional to 20,553,664.60, 30,830,496.90 and 12,043,610.20 is: 18,065,415.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,553,664.60 : 30,830,496.90 = 12,043,610.20 : x
  2. Step 2: Convert to fraction form
    20,553,664.60/30,830,496.90 = 12,043,610.20/x
  3. Step 3: Cross multiply
    20,553,664.60x = 30,830,496.90 × 12,043,610.20
  4. Step 4: Simplify right side
    20,553,664.60x = 371,310,486,935,908.31
  5. Step 5: Solve for x
    x = 371,310,486,935,908.31/20,553,664.60
  6. Step 6: Final answer
    x = 18,065,415.30

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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.