Home / 16,979,205.80-25,468,808.70-5,620,802.60

Finding the Fourth Proportional to 16,979,205.80, 25,468,808.70 and 5,620,802.60

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Solution

The fourth proportional to 16,979,205.80, 25,468,808.70 and 5,620,802.60 is: 8,431,203.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,979,205.80 : 25,468,808.70 = 5,620,802.60 : x
  2. Step 2: Convert to fraction form
    16,979,205.80/25,468,808.70 = 5,620,802.60/x
  3. Step 3: Cross multiply
    16,979,205.80x = 25,468,808.70 × 5,620,802.60
  4. Step 4: Simplify right side
    16,979,205.80x = 143,155,146,159,862.59
  5. Step 5: Solve for x
    x = 143,155,146,159,862.59/16,979,205.80
  6. Step 6: Final answer
    x = 8,431,203.90

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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.