Home / 12,228,780.09-16,875,926.16-6,722,387.04

Finding the Fourth Proportional to 12,228,780.09, 16,875,926.16 and 6,722,387.04

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Solution

The fourth proportional to 12,228,780.09, 16,875,926.16 and 6,722,387.04 is: 9,277,009.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,228,780.09 : 16,875,926.16 = 6,722,387.04 : x
  2. Step 2: Convert to fraction form
    12,228,780.09/16,875,926.16 = 6,722,387.04/x
  3. Step 3: Cross multiply
    12,228,780.09x = 16,875,926.16 × 6,722,387.04
  4. Step 4: Simplify right side
    12,228,780.09x = 113,446,507,305,980.97
  5. Step 5: Solve for x
    x = 113,446,507,305,980.97/12,228,780.09
  6. Step 6: Final answer
    x = 9,277,009.36

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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.