Home / 28,686,962.94-43,043,121.50-15,036,845.50

Finding the Fourth Proportional to 28,686,962.94, 43,043,121.50 and 15,036,845.50

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Solution

The fourth proportional to 28,686,962.94, 43,043,121.50 and 15,036,845.50 is: 22,561,913.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,686,962.94 : 43,043,121.50 = 15,036,845.50 : x
  2. Step 2: Convert to fraction form
    28,686,962.94/43,043,121.50 = 15,036,845.50/x
  3. Step 3: Cross multiply
    28,686,962.94x = 43,043,121.50 × 15,036,845.50
  4. Step 4: Simplify right side
    28,686,962.94x = 647,232,767,811,847.88
  5. Step 5: Solve for x
    x = 647,232,767,811,847.88/28,686,962.94
  6. Step 6: Final answer
    x = 22,561,913.20

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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.