Home / 9,990,433.58-13,786,792.80-5,639,557.46

Finding the Fourth Proportional to 9,990,433.58, 13,786,792.80 and 5,639,557.46

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Solution

The fourth proportional to 9,990,433.58, 13,786,792.80 and 5,639,557.46 is: 7,782,586.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,990,433.58 : 13,786,792.80 = 5,639,557.46 : x
  2. Step 2: Convert to fraction form
    9,990,433.58/13,786,792.80 = 5,639,557.46/x
  3. Step 3: Cross multiply
    9,990,433.58x = 13,786,792.80 × 5,639,557.46
  4. Step 4: Simplify right side
    9,990,433.58x = 77,751,410,184,714.30
  5. Step 5: Solve for x
    x = 77,751,410,184,714.30/9,990,433.58
  6. Step 6: Final answer
    x = 7,782,586.17

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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.