Home / 12,536,997.20-18,807,569.40-5,351,973.20

Finding the Fourth Proportional to 12,536,997.20, 18,807,569.40 and 5,351,973.20

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Solution

The fourth proportional to 12,536,997.20, 18,807,569.40 and 5,351,973.20 is: 8,028,845.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,536,997.20 : 18,807,569.40 = 5,351,973.20 : x
  2. Step 2: Convert to fraction form
    12,536,997.20/18,807,569.40 = 5,351,973.20/x
  3. Step 3: Cross multiply
    12,536,997.20x = 18,807,569.40 × 5,351,973.20
  4. Step 4: Simplify right side
    12,536,997.20x = 100,657,607,385,940.08
  5. Step 5: Solve for x
    x = 100,657,607,385,940.08/12,536,997.20
  6. Step 6: Final answer
    x = 8,028,845.01

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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.