Home / 13,305,612.86-19,949,838.14-5,219,405.54

Finding the Fourth Proportional to 13,305,612.86, 19,949,838.14 and 5,219,405.54

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Solution

The fourth proportional to 13,305,612.86, 19,949,838.14 and 5,219,405.54 is: 7,825,742.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,305,612.86 : 19,949,838.14 = 5,219,405.54 : x
  2. Step 2: Convert to fraction form
    13,305,612.86/19,949,838.14 = 5,219,405.54/x
  3. Step 3: Cross multiply
    13,305,612.86x = 19,949,838.14 × 5,219,405.54
  4. Step 4: Simplify right side
    13,305,612.86x = 104,126,295,710,019.30
  5. Step 5: Solve for x
    x = 104,126,295,710,019.30/13,305,612.86
  6. Step 6: Final answer
    x = 7,825,742.17

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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.