Home / 13,729,864.50-18,947,213.01-7,619,276.34

Finding the Fourth Proportional to 13,729,864.50, 18,947,213.01 and 7,619,276.34

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Solution

The fourth proportional to 13,729,864.50, 18,947,213.01 and 7,619,276.34 is: 10,514,601.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,729,864.50 : 18,947,213.01 = 7,619,276.34 : x
  2. Step 2: Convert to fraction form
    13,729,864.50/18,947,213.01 = 7,619,276.34/x
  3. Step 3: Cross multiply
    13,729,864.50x = 18,947,213.01 × 7,619,276.34
  4. Step 4: Simplify right side
    13,729,864.50x = 144,364,051,796,033.19
  5. Step 5: Solve for x
    x = 144,364,051,796,033.19/13,729,864.50
  6. Step 6: Final answer
    x = 10,514,601.35

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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.