Home / 12,485,890.13-17,214,849.36-9,549,309.53

Finding the Fourth Proportional to 12,485,890.13, 17,214,849.36 and 9,549,309.53

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Solution

The fourth proportional to 12,485,890.13, 17,214,849.36 and 9,549,309.53 is: 13,166,055.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,485,890.13 : 17,214,849.36 = 9,549,309.53 : x
  2. Step 2: Convert to fraction form
    12,485,890.13/17,214,849.36 = 9,549,309.53/x
  3. Step 3: Cross multiply
    12,485,890.13x = 17,214,849.36 × 9,549,309.53
  4. Step 4: Simplify right side
    12,485,890.13x = 164,389,925,093,999.53
  5. Step 5: Solve for x
    x = 164,389,925,093,999.53/12,485,890.13
  6. Step 6: Final answer
    x = 13,166,055.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.