Home / 20,269,790.24-27,971,964.96-10,977,284.90

Finding the Fourth Proportional to 20,269,790.24, 27,971,964.96 and 10,977,284.90

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Solution

The fourth proportional to 20,269,790.24, 27,971,964.96 and 10,977,284.90 is: 15,148,466.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,269,790.24 : 27,971,964.96 = 10,977,284.90 : x
  2. Step 2: Convert to fraction form
    20,269,790.24/27,971,964.96 = 10,977,284.90/x
  3. Step 3: Cross multiply
    20,269,790.24x = 27,971,964.96 × 10,977,284.90
  4. Step 4: Simplify right side
    20,269,790.24x = 307,056,228,578,737.12
  5. Step 5: Solve for x
    x = 307,056,228,578,737.12/20,269,790.24
  6. Step 6: Final answer
    x = 15,148,466.01

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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.