Home / 15,606,630.40-23,409,945.60-12,769,945.60

Finding the Fourth Proportional to 15,606,630.40, 23,409,945.60 and 12,769,945.60

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Solution

The fourth proportional to 15,606,630.40, 23,409,945.60 and 12,769,945.60 is: 19,154,918.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,606,630.40 : 23,409,945.60 = 12,769,945.60 : x
  2. Step 2: Convert to fraction form
    15,606,630.40/23,409,945.60 = 12,769,945.60/x
  3. Step 3: Cross multiply
    15,606,630.40x = 23,409,945.60 × 12,769,945.60
  4. Step 4: Simplify right side
    15,606,630.40x = 298,943,731,810,959.38
  5. Step 5: Solve for x
    x = 298,943,731,810,959.38/15,606,630.40
  6. Step 6: Final answer
    x = 19,154,918.40

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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.