Home / 20,739,729.54-31,111,088.99-7,960,234.25

Finding the Fourth Proportional to 20,739,729.54, 31,111,088.99 and 7,960,234.25

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Solution

The fourth proportional to 20,739,729.54, 31,111,088.99 and 7,960,234.25 is: 11,940,925.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,739,729.54 : 31,111,088.99 = 7,960,234.25 : x
  2. Step 2: Convert to fraction form
    20,739,729.54/31,111,088.99 = 7,960,234.25/x
  3. Step 3: Cross multiply
    20,739,729.54x = 31,111,088.99 × 7,960,234.25
  4. Step 4: Simplify right side
    20,739,729.54x = 247,651,556,063,133.09
  5. Step 5: Solve for x
    x = 247,651,556,063,133.09/20,739,729.54
  6. Step 6: Final answer
    x = 11,940,925.05

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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.