Home / 14,009,629.20-21,014,443.80-9,222,723.60

Finding the Fourth Proportional to 14,009,629.20, 21,014,443.80 and 9,222,723.60

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Solution

The fourth proportional to 14,009,629.20, 21,014,443.80 and 9,222,723.60 is: 13,834,085.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,009,629.20 : 21,014,443.80 = 9,222,723.60 : x
  2. Step 2: Convert to fraction form
    14,009,629.20/21,014,443.80 = 9,222,723.60/x
  3. Step 3: Cross multiply
    14,009,629.20x = 21,014,443.80 × 9,222,723.60
  4. Step 4: Simplify right side
    14,009,629.20x = 193,810,406,775,133.69
  5. Step 5: Solve for x
    x = 193,810,406,775,133.69/14,009,629.20
  6. Step 6: Final answer
    x = 13,834,085.40

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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.