Home / 28,723,456.80-39,645,173.52-16,507,395.36

Finding the Fourth Proportional to 28,723,456.80, 39,645,173.52 and 16,507,395.36

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Solution

The fourth proportional to 28,723,456.80, 39,645,173.52 and 16,507,395.36 is: 22,784,115.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,723,456.80 : 39,645,173.52 = 16,507,395.36 : x
  2. Step 2: Convert to fraction form
    28,723,456.80/39,645,173.52 = 16,507,395.36/x
  3. Step 3: Cross multiply
    28,723,456.80x = 39,645,173.52 × 16,507,395.36
  4. Step 4: Simplify right side
    28,723,456.80x = 654,438,553,410,442.88
  5. Step 5: Solve for x
    x = 654,438,553,410,442.88/28,723,456.80
  6. Step 6: Final answer
    x = 22,784,115.36

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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.