Home / 21,858,826.20-32,761,995.30-9,072,749.40

Finding the Fourth Proportional to 21,858,826.20, 32,761,995.30 and 9,072,749.40

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Solution

The fourth proportional to 21,858,826.20, 32,761,995.30 and 9,072,749.40 is: 13,598,231.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,858,826.20 : 32,761,995.30 = 9,072,749.40 : x
  2. Step 2: Convert to fraction form
    21,858,826.20/32,761,995.30 = 9,072,749.40/x
  3. Step 3: Cross multiply
    21,858,826.20x = 32,761,995.30 × 9,072,749.40
  4. Step 4: Simplify right side
    21,858,826.20x = 297,241,373,200,877.81
  5. Step 5: Solve for x
    x = 297,241,373,200,877.81/21,858,826.20
  6. Step 6: Final answer
    x = 13,598,231.24

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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.