Home / 28,134,636.80-42,201,955.20-8,966,796.80

Finding the Fourth Proportional to 28,134,636.80, 42,201,955.20 and 8,966,796.80

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Solution

The fourth proportional to 28,134,636.80, 42,201,955.20 and 8,966,796.80 is: 13,450,195.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,134,636.80 : 42,201,955.20 = 8,966,796.80 : x
  2. Step 2: Convert to fraction form
    28,134,636.80/42,201,955.20 = 8,966,796.80/x
  3. Step 3: Cross multiply
    28,134,636.80x = 42,201,955.20 × 8,966,796.80
  4. Step 4: Simplify right side
    28,134,636.80x = 378,416,356,841,103.44
  5. Step 5: Solve for x
    x = 378,416,356,841,103.44/28,134,636.80
  6. Step 6: Final answer
    x = 13,450,195.20

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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.