Home / 13,927,284.72-19,221,530.04-7,816,048.56

Finding the Fourth Proportional to 13,927,284.72, 19,221,530.04 and 7,816,048.56

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Solution

The fourth proportional to 13,927,284.72, 19,221,530.04 and 7,816,048.56 is: 10,787,200.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,927,284.72 : 19,221,530.04 = 7,816,048.56 : x
  2. Step 2: Convert to fraction form
    13,927,284.72/19,221,530.04 = 7,816,048.56/x
  3. Step 3: Cross multiply
    13,927,284.72x = 19,221,530.04 × 7,816,048.56
  4. Step 4: Simplify right side
    13,927,284.72x = 150,236,412,190,138.72
  5. Step 5: Solve for x
    x = 150,236,412,190,138.72/13,927,284.72
  6. Step 6: Final answer
    x = 10,787,200.46

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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.