Home / 28,520,575.20-42,783,435.36-8,050,520.88

Finding the Fourth Proportional to 28,520,575.20, 42,783,435.36 and 8,050,520.88

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Solution

The fourth proportional to 28,520,575.20, 42,783,435.36 and 8,050,520.88 is: 12,076,507.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,520,575.20 : 42,783,435.36 = 8,050,520.88 : x
  2. Step 2: Convert to fraction form
    28,520,575.20/42,783,435.36 = 8,050,520.88/x
  3. Step 3: Cross multiply
    28,520,575.20x = 42,783,435.36 × 8,050,520.88
  4. Step 4: Simplify right side
    28,520,575.20x = 344,428,939,683,810.31
  5. Step 5: Solve for x
    x = 344,428,939,683,810.31/28,520,575.20
  6. Step 6: Final answer
    x = 12,076,507.48

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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.