Home / 13,306,434.30-19,959,651.45-7,259,816.70

Finding the Fourth Proportional to 13,306,434.30, 19,959,651.45 and 7,259,816.70

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Solution

The fourth proportional to 13,306,434.30, 19,959,651.45 and 7,259,816.70 is: 10,889,725.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,306,434.30 : 19,959,651.45 = 7,259,816.70 : x
  2. Step 2: Convert to fraction form
    13,306,434.30/19,959,651.45 = 7,259,816.70/x
  3. Step 3: Cross multiply
    13,306,434.30x = 19,959,651.45 × 7,259,816.70
  4. Step 4: Simplify right side
    13,306,434.30x = 144,903,410,922,889.22
  5. Step 5: Solve for x
    x = 144,903,410,922,889.22/13,306,434.30
  6. Step 6: Final answer
    x = 10,889,725.05

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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.