Home / 28,308,037.20-42,462,055.80-16,942,635.60

Finding the Fourth Proportional to 28,308,037.20, 42,462,055.80 and 16,942,635.60

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Solution

The fourth proportional to 28,308,037.20, 42,462,055.80 and 16,942,635.60 is: 25,413,953.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,308,037.20 : 42,462,055.80 = 16,942,635.60 : x
  2. Step 2: Convert to fraction form
    28,308,037.20/42,462,055.80 = 16,942,635.60/x
  3. Step 3: Cross multiply
    28,308,037.20x = 42,462,055.80 × 16,942,635.60
  4. Step 4: Simplify right side
    28,308,037.20x = 719,419,138,246,266.50
  5. Step 5: Solve for x
    x = 719,419,138,246,266.50/28,308,037.20
  6. Step 6: Final answer
    x = 25,413,953.40

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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.