Home / 18,852,905.58-28,291,758.66-10,339,220.76

Finding the Fourth Proportional to 18,852,905.58, 28,291,758.66 and 10,339,220.76

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Solution

The fourth proportional to 18,852,905.58, 28,291,758.66 and 10,339,220.76 is: 15,515,631.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,852,905.58 : 28,291,758.66 = 10,339,220.76 : x
  2. Step 2: Convert to fraction form
    18,852,905.58/28,291,758.66 = 10,339,220.76/x
  3. Step 3: Cross multiply
    18,852,905.58x = 28,291,758.66 × 10,339,220.76
  4. Step 4: Simplify right side
    18,852,905.58x = 292,514,738,474,381.75
  5. Step 5: Solve for x
    x = 292,514,738,474,381.75/18,852,905.58
  6. Step 6: Final answer
    x = 15,515,631.65

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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.