Home / 20,078,436.63-27,710,604.53-11,929,674.63

Finding the Fourth Proportional to 20,078,436.63, 27,710,604.53 and 11,929,674.63

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Solution

The fourth proportional to 20,078,436.63, 27,710,604.53 and 11,929,674.63 is: 16,464,354.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,078,436.63 : 27,710,604.53 = 11,929,674.63 : x
  2. Step 2: Convert to fraction form
    20,078,436.63/27,710,604.53 = 11,929,674.63/x
  3. Step 3: Cross multiply
    20,078,436.63x = 27,710,604.53 × 11,929,674.63
  4. Step 4: Simplify right side
    20,078,436.63x = 330,578,495,843,504.12
  5. Step 5: Solve for x
    x = 330,578,495,843,504.12/20,078,436.63
  6. Step 6: Final answer
    x = 16,464,354.37

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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.