Home / 28,084,808.70-42,127,213.05-6,809,672.70

Finding the Fourth Proportional to 28,084,808.70, 42,127,213.05 and 6,809,672.70

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Solution

The fourth proportional to 28,084,808.70, 42,127,213.05 and 6,809,672.70 is: 10,214,509.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,084,808.70 : 42,127,213.05 = 6,809,672.70 : x
  2. Step 2: Convert to fraction form
    28,084,808.70/42,127,213.05 = 6,809,672.70/x
  3. Step 3: Cross multiply
    28,084,808.70x = 42,127,213.05 × 6,809,672.70
  4. Step 4: Simplify right side
    28,084,808.70x = 286,872,532,633,668.75
  5. Step 5: Solve for x
    x = 286,872,532,633,668.75/28,084,808.70
  6. Step 6: Final answer
    x = 10,214,509.05

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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.