Home / 20,740,346.10-31,110,519.15-20,740,346.10

Finding the Fourth Proportional to 20,740,346.10, 31,110,519.15 and 20,740,346.10

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Solution

The fourth proportional to 20,740,346.10, 31,110,519.15 and 20,740,346.10 is: 31,110,519.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,740,346.10 : 31,110,519.15 = 20,740,346.10 : x
  2. Step 2: Convert to fraction form
    20,740,346.10/31,110,519.15 = 20,740,346.10/x
  3. Step 3: Cross multiply
    20,740,346.10x = 31,110,519.15 × 20,740,346.10
  4. Step 4: Simplify right side
    20,740,346.10x = 645,242,934,521,677.88
  5. Step 5: Solve for x
    x = 645,242,934,521,677.88/20,740,346.10
  6. Step 6: Final answer
    x = 31,110,519.15

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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.