Home / 12,292,437.60-18,438,656.40-11,662,581.60

Finding the Fourth Proportional to 12,292,437.60, 18,438,656.40 and 11,662,581.60

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Solution

The fourth proportional to 12,292,437.60, 18,438,656.40 and 11,662,581.60 is: 17,493,872.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,292,437.60 : 18,438,656.40 = 11,662,581.60 : x
  2. Step 2: Convert to fraction form
    12,292,437.60/18,438,656.40 = 11,662,581.60/x
  3. Step 3: Cross multiply
    12,292,437.60x = 18,438,656.40 × 11,662,581.60
  4. Step 4: Simplify right side
    12,292,437.60x = 215,042,334,859,362.22
  5. Step 5: Solve for x
    x = 215,042,334,859,362.22/12,292,437.60
  6. Step 6: Final answer
    x = 17,493,872.40

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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.