Home / 20,720,027.80-31,080,041.70-6,536,603.80

Finding the Fourth Proportional to 20,720,027.80, 31,080,041.70 and 6,536,603.80

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Solution

The fourth proportional to 20,720,027.80, 31,080,041.70 and 6,536,603.80 is: 9,804,905.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,720,027.80 : 31,080,041.70 = 6,536,603.80 : x
  2. Step 2: Convert to fraction form
    20,720,027.80/31,080,041.70 = 6,536,603.80/x
  3. Step 3: Cross multiply
    20,720,027.80x = 31,080,041.70 × 6,536,603.80
  4. Step 4: Simplify right side
    20,720,027.80x = 203,157,918,680,378.44
  5. Step 5: Solve for x
    x = 203,157,918,680,378.44/20,720,027.80
  6. Step 6: Final answer
    x = 9,804,905.70

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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.