Home / 13,999,641.71-21,022,245.57-8,642,347.34

Finding the Fourth Proportional to 13,999,641.71, 21,022,245.57 and 8,642,347.34

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Solution

The fourth proportional to 13,999,641.71, 21,022,245.57 and 8,642,347.34 is: 12,977,585.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,999,641.71 : 21,022,245.57 = 8,642,347.34 : x
  2. Step 2: Convert to fraction form
    13,999,641.71/21,022,245.57 = 8,642,347.34/x
  3. Step 3: Cross multiply
    13,999,641.71x = 21,022,245.57 × 8,642,347.34
  4. Step 4: Simplify right side
    13,999,641.71x = 181,681,548,082,716.28
  5. Step 5: Solve for x
    x = 181,681,548,082,716.28/13,999,641.71
  6. Step 6: Final answer
    x = 12,977,585.56

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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.