Home / 14,590,835.20-20,137,801.92-9,879,093.76

Finding the Fourth Proportional to 14,590,835.20, 20,137,801.92 and 9,879,093.76

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Solution

The fourth proportional to 14,590,835.20, 20,137,801.92 and 9,879,093.76 is: 13,634,807.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,590,835.20 : 20,137,801.92 = 9,879,093.76 : x
  2. Step 2: Convert to fraction form
    14,590,835.20/20,137,801.92 = 9,879,093.76/x
  3. Step 3: Cross multiply
    14,590,835.20x = 20,137,801.92 × 9,879,093.76
  4. Step 4: Simplify right side
    14,590,835.20x = 198,943,233,287,988.03
  5. Step 5: Solve for x
    x = 198,943,233,287,988.03/14,590,835.20
  6. Step 6: Final answer
    x = 13,634,807.78

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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.