Home / 20,307,595.46-28,024,317.12-11,015,142.31

Finding the Fourth Proportional to 20,307,595.46, 28,024,317.12 and 11,015,142.31

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Solution

The fourth proportional to 20,307,595.46, 28,024,317.12 and 11,015,142.31 is: 15,200,807.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,307,595.46 : 28,024,317.12 = 11,015,142.31 : x
  2. Step 2: Convert to fraction form
    20,307,595.46/28,024,317.12 = 11,015,142.31/x
  3. Step 3: Cross multiply
    20,307,595.46x = 28,024,317.12 × 11,015,142.31
  4. Step 4: Simplify right side
    20,307,595.46x = 308,691,841,293,706.50
  5. Step 5: Solve for x
    x = 308,691,841,293,706.50/20,307,595.46
  6. Step 6: Final answer
    x = 15,200,807.11

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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.