Home / 21,046,716.85-31,570,961.01-6,670,352.11

Finding the Fourth Proportional to 21,046,716.85, 31,570,961.01 and 6,670,352.11

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Solution

The fourth proportional to 21,046,716.85, 31,570,961.01 and 6,670,352.11 is: 10,005,808.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,046,716.85 : 31,570,961.01 = 6,670,352.11 : x
  2. Step 2: Convert to fraction form
    21,046,716.85/31,570,961.01 = 6,670,352.11/x
  3. Step 3: Cross multiply
    21,046,716.85x = 31,570,961.01 × 6,670,352.11
  4. Step 4: Simplify right side
    21,046,716.85x = 210,589,426,387,781.25
  5. Step 5: Solve for x
    x = 210,589,426,387,781.25/21,046,716.85
  6. Step 6: Final answer
    x = 10,005,808.88

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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.