Home / 12,992,562.40-19,488,843.60-9,339,397.60

Finding the Fourth Proportional to 12,992,562.40, 19,488,843.60 and 9,339,397.60

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Solution

The fourth proportional to 12,992,562.40, 19,488,843.60 and 9,339,397.60 is: 14,009,096.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,992,562.40 : 19,488,843.60 = 9,339,397.60 : x
  2. Step 2: Convert to fraction form
    12,992,562.40/19,488,843.60 = 9,339,397.60/x
  3. Step 3: Cross multiply
    12,992,562.40x = 19,488,843.60 × 9,339,397.60
  4. Step 4: Simplify right side
    12,992,562.40x = 182,014,059,144,615.38
  5. Step 5: Solve for x
    x = 182,014,059,144,615.38/12,992,562.40
  6. Step 6: Final answer
    x = 14,009,096.40

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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.