Home / 12,928,938.06-19,393,407.12-4,409,348.34

Finding the Fourth Proportional to 12,928,938.06, 19,393,407.12 and 4,409,348.34

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Solution

The fourth proportional to 12,928,938.06, 19,393,407.12 and 4,409,348.34 is: 6,614,022.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,928,938.06 : 19,393,407.12 = 4,409,348.34 : x
  2. Step 2: Convert to fraction form
    12,928,938.06/19,393,407.12 = 4,409,348.34/x
  3. Step 3: Cross multiply
    12,928,938.06x = 19,393,407.12 × 4,409,348.34
  4. Step 4: Simplify right side
    12,928,938.06x = 85,512,287,491,516.19
  5. Step 5: Solve for x
    x = 85,512,287,491,516.19/12,928,938.06
  6. Step 6: Final answer
    x = 6,614,022.52

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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.