Home / 8,421,105.87-11,621,112.32-4,750,011.01

Finding the Fourth Proportional to 8,421,105.87, 11,621,112.32 and 4,750,011.01

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Solution

The fourth proportional to 8,421,105.87, 11,621,112.32 and 4,750,011.01 is: 6,555,007.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,421,105.87 : 11,621,112.32 = 4,750,011.01 : x
  2. Step 2: Convert to fraction form
    8,421,105.87/11,621,112.32 = 4,750,011.01/x
  3. Step 3: Cross multiply
    8,421,105.87x = 11,621,112.32 × 4,750,011.01
  4. Step 4: Simplify right side
    8,421,105.87x = 55,200,411,494,848.06
  5. Step 5: Solve for x
    x = 55,200,411,494,848.06/8,421,105.87
  6. Step 6: Final answer
    x = 6,555,007.42

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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.