Home / 12,274,485.22-18,390,892.71-7,406,563.51

Finding the Fourth Proportional to 12,274,485.22, 18,390,892.71 and 7,406,563.51

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Solution

The fourth proportional to 12,274,485.22, 18,390,892.71 and 7,406,563.51 is: 11,097,273.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,274,485.22 : 18,390,892.71 = 7,406,563.51 : x
  2. Step 2: Convert to fraction form
    12,274,485.22/18,390,892.71 = 7,406,563.51/x
  3. Step 3: Cross multiply
    12,274,485.22x = 18,390,892.71 × 7,406,563.51
  4. Step 4: Simplify right side
    12,274,485.22x = 136,213,314,862,211.02
  5. Step 5: Solve for x
    x = 136,213,314,862,211.02/12,274,485.22
  6. Step 6: Final answer
    x = 11,097,273.12

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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.