Home / 28,970,709.20-43,456,063.80-15,533,781.20

Finding the Fourth Proportional to 28,970,709.20, 43,456,063.80 and 15,533,781.20

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Solution

The fourth proportional to 28,970,709.20, 43,456,063.80 and 15,533,781.20 is: 23,300,671.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,970,709.20 : 43,456,063.80 = 15,533,781.20 : x
  2. Step 2: Convert to fraction form
    28,970,709.20/43,456,063.80 = 15,533,781.20/x
  3. Step 3: Cross multiply
    28,970,709.20x = 43,456,063.80 × 15,533,781.20
  4. Step 4: Simplify right side
    28,970,709.20x = 675,036,986,882,440.50
  5. Step 5: Solve for x
    x = 675,036,986,882,440.50/28,970,709.20
  6. Step 6: Final answer
    x = 23,300,671.80

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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.