Home / 28,416,076.80-42,624,115.20-10,461,465.60

Finding the Fourth Proportional to 28,416,076.80, 42,624,115.20 and 10,461,465.60

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Solution

The fourth proportional to 28,416,076.80, 42,624,115.20 and 10,461,465.60 is: 15,692,198.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,416,076.80 : 42,624,115.20 = 10,461,465.60 : x
  2. Step 2: Convert to fraction form
    28,416,076.80/42,624,115.20 = 10,461,465.60/x
  3. Step 3: Cross multiply
    28,416,076.80x = 42,624,115.20 × 10,461,465.60
  4. Step 4: Simplify right side
    28,416,076.80x = 445,910,714,895,237.12
  5. Step 5: Solve for x
    x = 445,910,714,895,237.12/28,416,076.80
  6. Step 6: Final answer
    x = 15,692,198.40

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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.