Home / 8,119,739.54-11,205,240.31-4,448,795.11

Finding the Fourth Proportional to 8,119,739.54, 11,205,240.31 and 4,448,795.11

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Solution

The fourth proportional to 8,119,739.54, 11,205,240.31 and 4,448,795.11 is: 6,139,337.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,119,739.54 : 11,205,240.31 = 4,448,795.11 : x
  2. Step 2: Convert to fraction form
    8,119,739.54/11,205,240.31 = 4,448,795.11/x
  3. Step 3: Cross multiply
    8,119,739.54x = 11,205,240.31 × 4,448,795.11
  4. Step 4: Simplify right side
    8,119,739.54x = 49,849,818,297,502.89
  5. Step 5: Solve for x
    x = 49,849,818,297,502.89/8,119,739.54
  6. Step 6: Final answer
    x = 6,139,337.11

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1.5x scale

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.