Home / 13,134,619.80-19,701,929.70-11,339,530.20

Finding the Fourth Proportional to 13,134,619.80, 19,701,929.70 and 11,339,530.20

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Solution

The fourth proportional to 13,134,619.80, 19,701,929.70 and 11,339,530.20 is: 17,009,295.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,134,619.80 : 19,701,929.70 = 11,339,530.20 : x
  2. Step 2: Convert to fraction form
    13,134,619.80/19,701,929.70 = 11,339,530.20/x
  3. Step 3: Cross multiply
    13,134,619.80x = 19,701,929.70 × 11,339,530.20
  4. Step 4: Simplify right side
    13,134,619.80x = 223,410,626,831,426.91
  5. Step 5: Solve for x
    x = 223,410,626,831,426.91/13,134,619.80
  6. Step 6: Final answer
    x = 17,009,295.30

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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.