Home / 8,119,721.81-11,205,215.75-4,448,777.60

Finding the Fourth Proportional to 8,119,721.81, 11,205,215.75 and 4,448,777.60

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Solution

The fourth proportional to 8,119,721.81, 11,205,215.75 and 4,448,777.60 is: 6,139,312.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,119,721.81 : 11,205,215.75 = 4,448,777.60 : x
  2. Step 2: Convert to fraction form
    8,119,721.81/11,205,215.75 = 4,448,777.60/x
  3. Step 3: Cross multiply
    8,119,721.81x = 11,205,215.75 × 4,448,777.60
  4. Step 4: Simplify right side
    8,119,721.81x = 49,849,512,870,902.18
  5. Step 5: Solve for x
    x = 49,849,512,870,902.18/8,119,721.81
  6. Step 6: Final answer
    x = 6,139,312.90

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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.