Home / 12,284,573.40-18,442,023.30-7,735,613.40

Finding the Fourth Proportional to 12,284,573.40, 18,442,023.30 and 7,735,613.40

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Solution

The fourth proportional to 12,284,573.40, 18,442,023.30 and 7,735,613.40 is: 11,612,968.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,284,573.40 : 18,442,023.30 = 7,735,613.40 : x
  2. Step 2: Convert to fraction form
    12,284,573.40/18,442,023.30 = 7,735,613.40/x
  3. Step 3: Cross multiply
    12,284,573.40x = 18,442,023.30 × 7,735,613.40
  4. Step 4: Simplify right side
    12,284,573.40x = 142,660,362,562,592.22
  5. Step 5: Solve for x
    x = 142,660,362,562,592.22/12,284,573.40
  6. Step 6: Final answer
    x = 11,612,968.39

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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.