Home / 18,045,947.40-27,068,921.10-8,480,009.40

Finding the Fourth Proportional to 18,045,947.40, 27,068,921.10 and 8,480,009.40

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Solution

The fourth proportional to 18,045,947.40, 27,068,921.10 and 8,480,009.40 is: 12,720,014.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,045,947.40 : 27,068,921.10 = 8,480,009.40 : x
  2. Step 2: Convert to fraction form
    18,045,947.40/27,068,921.10 = 8,480,009.40/x
  3. Step 3: Cross multiply
    18,045,947.40x = 27,068,921.10 × 8,480,009.40
  4. Step 4: Simplify right side
    18,045,947.40x = 229,544,705,375,858.38
  5. Step 5: Solve for x
    x = 229,544,705,375,858.38/18,045,947.40
  6. Step 6: Final answer
    x = 12,720,014.10

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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.