Home / 21,954,368.61-30,296,998.65-12,165,446.52

Finding the Fourth Proportional to 21,954,368.61, 30,296,998.65 and 12,165,446.52

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Solution

The fourth proportional to 21,954,368.61, 30,296,998.65 and 12,165,446.52 is: 16,788,299.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,954,368.61 : 30,296,998.65 = 12,165,446.52 : x
  2. Step 2: Convert to fraction form
    21,954,368.61/30,296,998.65 = 12,165,446.52/x
  3. Step 3: Cross multiply
    21,954,368.61x = 30,296,998.65 × 12,165,446.52
  4. Step 4: Simplify right side
    21,954,368.61x = 368,576,516,793,087.19
  5. Step 5: Solve for x
    x = 368,576,516,793,087.19/21,954,368.61
  6. Step 6: Final answer
    x = 16,788,299.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.