Home / 12,922,192.80-17,832,744-7,121,182.68

Finding the Fourth Proportional to 12,922,192.80, 17,832,744 and 7,121,182.68

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Solution

The fourth proportional to 12,922,192.80, 17,832,744 and 7,121,182.68 is: 9,827,297.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,922,192.80 : 17,832,744 = 7,121,182.68 : x
  2. Step 2: Convert to fraction form
    12,922,192.80/17,832,744 = 7,121,182.68/x
  3. Step 3: Cross multiply
    12,922,192.80x = 17,832,744 × 7,121,182.68
  4. Step 4: Simplify right side
    12,922,192.80x = 126,990,227,709,673.92
  5. Step 5: Solve for x
    x = 126,990,227,709,673.92/12,922,192.80
  6. Step 6: Final answer
    x = 9,827,297.09

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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.