Home / 21,504,368.80-32,256,553.20-12,434,442.40

Finding the Fourth Proportional to 21,504,368.80, 32,256,553.20 and 12,434,442.40

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Solution

The fourth proportional to 21,504,368.80, 32,256,553.20 and 12,434,442.40 is: 18,651,663.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,504,368.80 : 32,256,553.20 = 12,434,442.40 : x
  2. Step 2: Convert to fraction form
    21,504,368.80/32,256,553.20 = 12,434,442.40/x
  3. Step 3: Cross multiply
    21,504,368.80x = 32,256,553.20 × 12,434,442.40
  4. Step 4: Simplify right side
    21,504,368.80x = 401,092,252,787,935.69
  5. Step 5: Solve for x
    x = 401,092,252,787,935.69/21,504,368.80
  6. Step 6: Final answer
    x = 18,651,663.60

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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.