Home / 13,863,965.45-20,796,422.49-4,765,985.30

Finding the Fourth Proportional to 13,863,965.45, 20,796,422.49 and 4,765,985.30

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Solution

The fourth proportional to 13,863,965.45, 20,796,422.49 and 4,765,985.30 is: 7,149,141.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,863,965.45 : 20,796,422.49 = 4,765,985.30 : x
  2. Step 2: Convert to fraction form
    13,863,965.45/20,796,422.49 = 4,765,985.30/x
  3. Step 3: Cross multiply
    13,863,965.45x = 20,796,422.49 × 4,765,985.30
  4. Step 4: Simplify right side
    13,863,965.45x = 99,115,443,931,920.45
  5. Step 5: Solve for x
    x = 99,115,443,931,920.45/13,863,965.45
  6. Step 6: Final answer
    x = 7,149,141.01

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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.