Home / 8,431,393.14-11,636,898.78-4,809,721.14

Finding the Fourth Proportional to 8,431,393.14, 11,636,898.78 and 4,809,721.14

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Solution

The fourth proportional to 8,431,393.14, 11,636,898.78 and 4,809,721.14 is: 6,638,314.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,431,393.14 : 11,636,898.78 = 4,809,721.14 : x
  2. Step 2: Convert to fraction form
    8,431,393.14/11,636,898.78 = 4,809,721.14/x
  3. Step 3: Cross multiply
    8,431,393.14x = 11,636,898.78 × 4,809,721.14
  4. Step 4: Simplify right side
    8,431,393.14x = 55,970,238,066,206.20
  5. Step 5: Solve for x
    x = 55,970,238,066,206.20/8,431,393.14
  6. Step 6: Final answer
    x = 6,638,314.35

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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.