Home / 28,245,477.52-38,977,611.12-16,022,072.08

Finding the Fourth Proportional to 28,245,477.52, 38,977,611.12 and 16,022,072.08

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Solution

The fourth proportional to 28,245,477.52, 38,977,611.12 and 16,022,072.08 is: 22,109,808.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,245,477.52 : 38,977,611.12 = 16,022,072.08 : x
  2. Step 2: Convert to fraction form
    28,245,477.52/38,977,611.12 = 16,022,072.08/x
  3. Step 3: Cross multiply
    28,245,477.52x = 38,977,611.12 × 16,022,072.08
  4. Step 4: Simplify right side
    28,245,477.52x = 624,502,094,870,849.50
  5. Step 5: Solve for x
    x = 624,502,094,870,849.50/28,245,477.52
  6. Step 6: Final answer
    x = 22,109,808.36

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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.