Home / 18,511,994.40-27,767,991.60-13,126,725.60

Finding the Fourth Proportional to 18,511,994.40, 27,767,991.60 and 13,126,725.60

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Solution

The fourth proportional to 18,511,994.40, 27,767,991.60 and 13,126,725.60 is: 19,690,088.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,511,994.40 : 27,767,991.60 = 13,126,725.60 : x
  2. Step 2: Convert to fraction form
    18,511,994.40/27,767,991.60 = 13,126,725.60/x
  3. Step 3: Cross multiply
    18,511,994.40x = 27,767,991.60 × 13,126,725.60
  4. Step 4: Simplify right side
    18,511,994.40x = 364,502,806,196,305
  5. Step 5: Solve for x
    x = 364,502,806,196,305/18,511,994.40
  6. Step 6: Final answer
    x = 19,690,088.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.