Home / 13,139,701.20-19,700,998.20-11,796,008.40

Finding the Fourth Proportional to 13,139,701.20, 19,700,998.20 and 11,796,008.40

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Solution

The fourth proportional to 13,139,701.20, 19,700,998.20 and 11,796,008.40 is: 17,686,333.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,139,701.20 : 19,700,998.20 = 11,796,008.40 : x
  2. Step 2: Convert to fraction form
    13,139,701.20/19,700,998.20 = 11,796,008.40/x
  3. Step 3: Cross multiply
    13,139,701.20x = 19,700,998.20 × 11,796,008.40
  4. Step 4: Simplify right side
    13,139,701.20x = 232,393,140,255,584.88
  5. Step 5: Solve for x
    x = 232,393,140,255,584.88/13,139,701.20
  6. Step 6: Final answer
    x = 17,686,333.71

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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.