Home / 20,818,597.34-31,238,569.64-10,045,085.42

Finding the Fourth Proportional to 20,818,597.34, 31,238,569.64 and 10,045,085.42

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Solution

The fourth proportional to 20,818,597.34, 31,238,569.64 and 10,045,085.42 is: 15,072,778.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,818,597.34 : 31,238,569.64 = 10,045,085.42 : x
  2. Step 2: Convert to fraction form
    20,818,597.34/31,238,569.64 = 10,045,085.42/x
  3. Step 3: Cross multiply
    20,818,597.34x = 31,238,569.64 × 10,045,085.42
  4. Step 4: Simplify right side
    20,818,597.34x = 313,794,100,301,338.44
  5. Step 5: Solve for x
    x = 313,794,100,301,338.44/20,818,597.34
  6. Step 6: Final answer
    x = 15,072,778.21

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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.