Home / 28,647,828-42,972,927.84-8,453,070

Finding the Fourth Proportional to 28,647,828, 42,972,927.84 and 8,453,070

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Solution

The fourth proportional to 28,647,828, 42,972,927.84 and 8,453,070 is: 12,679,954.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,647,828 : 42,972,927.84 = 8,453,070 : x
  2. Step 2: Convert to fraction form
    28,647,828/42,972,927.84 = 8,453,070/x
  3. Step 3: Cross multiply
    28,647,828x = 42,972,927.84 × 8,453,070
  4. Step 4: Simplify right side
    28,647,828x = 363,253,167,136,468.81
  5. Step 5: Solve for x
    x = 363,253,167,136,468.81/28,647,828
  6. Step 6: Final answer
    x = 12,679,954.90

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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.