Home / 28,678,124.84-43,025,093.66-11,418,446.34

Finding the Fourth Proportional to 28,678,124.84, 43,025,093.66 and 11,418,446.34

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Solution

The fourth proportional to 28,678,124.84, 43,025,093.66 and 11,418,446.34 is: 17,130,817.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,678,124.84 : 43,025,093.66 = 11,418,446.34 : x
  2. Step 2: Convert to fraction form
    28,678,124.84/43,025,093.66 = 11,418,446.34/x
  3. Step 3: Cross multiply
    28,678,124.84x = 43,025,093.66 × 11,418,446.34
  4. Step 4: Simplify right side
    28,678,124.84x = 491,279,723,258,730.31
  5. Step 5: Solve for x
    x = 491,279,723,258,730.31/28,678,124.84
  6. Step 6: Final answer
    x = 17,130,817.52

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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.