Home / 28,874,057.10-43,311,085.65-18,124,514.70

Finding the Fourth Proportional to 28,874,057.10, 43,311,085.65 and 18,124,514.70

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Solution

The fourth proportional to 28,874,057.10, 43,311,085.65 and 18,124,514.70 is: 27,186,772.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,874,057.10 : 43,311,085.65 = 18,124,514.70 : x
  2. Step 2: Convert to fraction form
    28,874,057.10/43,311,085.65 = 18,124,514.70/x
  3. Step 3: Cross multiply
    28,874,057.10x = 43,311,085.65 × 18,124,514.70
  4. Step 4: Simplify right side
    28,874,057.10x = 784,992,408,536,384
  5. Step 5: Solve for x
    x = 784,992,408,536,384/28,874,057.10
  6. Step 6: Final answer
    x = 27,186,772.05

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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.