Home / 14,488,971.40-21,708,573.90-7,655,422.60

Finding the Fourth Proportional to 14,488,971.40, 21,708,573.90 and 7,655,422.60

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Solution

The fourth proportional to 14,488,971.40, 21,708,573.90 and 7,655,422.60 is: 11,469,986.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,488,971.40 : 21,708,573.90 = 7,655,422.60 : x
  2. Step 2: Convert to fraction form
    14,488,971.40/21,708,573.90 = 7,655,422.60/x
  3. Step 3: Cross multiply
    14,488,971.40x = 21,708,573.90 × 7,655,422.60
  4. Step 4: Simplify right side
    14,488,971.40x = 166,188,307,247,830.12
  5. Step 5: Solve for x
    x = 166,188,307,247,830.12/14,488,971.40
  6. Step 6: Final answer
    x = 11,469,986.56

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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.