Home / 20,650,931.76-30,976,455.96-6,274,118.64

Finding the Fourth Proportional to 20,650,931.76, 30,976,455.96 and 6,274,118.64

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Solution

The fourth proportional to 20,650,931.76, 30,976,455.96 and 6,274,118.64 is: 9,411,195.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,650,931.76 : 30,976,455.96 = 6,274,118.64 : x
  2. Step 2: Convert to fraction form
    20,650,931.76/30,976,455.96 = 6,274,118.64/x
  3. Step 3: Cross multiply
    20,650,931.76x = 30,976,455.96 × 6,274,118.64
  4. Step 4: Simplify right side
    20,650,931.76x = 194,349,959,739,775.09
  5. Step 5: Solve for x
    x = 194,349,959,739,775.09/20,650,931.76
  6. Step 6: Final answer
    x = 9,411,195.68

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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.