Home / 21,388,008.80-32,082,013.20-10,601,141.60

Finding the Fourth Proportional to 21,388,008.80, 32,082,013.20 and 10,601,141.60

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Solution

The fourth proportional to 21,388,008.80, 32,082,013.20 and 10,601,141.60 is: 15,901,712.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,388,008.80 : 32,082,013.20 = 10,601,141.60 : x
  2. Step 2: Convert to fraction form
    21,388,008.80/32,082,013.20 = 10,601,141.60/x
  3. Step 3: Cross multiply
    21,388,008.80x = 32,082,013.20 × 10,601,141.60
  4. Step 4: Simplify right side
    21,388,008.80x = 340,105,964,746,269.12
  5. Step 5: Solve for x
    x = 340,105,964,746,269.12/21,388,008.80
  6. Step 6: Final answer
    x = 15,901,712.40

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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.