Home / 28,647,829-42,972,929.34-8,453,071

Finding the Fourth Proportional to 28,647,829, 42,972,929.34 and 8,453,071

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Solution

The fourth proportional to 28,647,829, 42,972,929.34 and 8,453,071 is: 12,679,956.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,647,829 : 42,972,929.34 = 8,453,071 : x
  2. Step 2: Convert to fraction form
    28,647,829/42,972,929.34 = 8,453,071/x
  3. Step 3: Cross multiply
    28,647,829x = 42,972,929.34 × 8,453,071
  4. Step 4: Simplify right side
    28,647,829x = 363,253,222,789,003.19
  5. Step 5: Solve for x
    x = 363,253,222,789,003.19/28,647,829
  6. Step 6: Final answer
    x = 12,679,956.40

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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.