Home / 28,450,890.20-42,676,337.16-6,885,495.56

Finding the Fourth Proportional to 28,450,890.20, 42,676,337.16 and 6,885,495.56

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Solution

The fourth proportional to 28,450,890.20, 42,676,337.16 and 6,885,495.56 is: 10,328,243.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,450,890.20 : 42,676,337.16 = 6,885,495.56 : x
  2. Step 2: Convert to fraction form
    28,450,890.20/42,676,337.16 = 6,885,495.56/x
  3. Step 3: Cross multiply
    28,450,890.20x = 42,676,337.16 × 6,885,495.56
  4. Step 4: Simplify right side
    28,450,890.20x = 293,847,730,032,242.94
  5. Step 5: Solve for x
    x = 293,847,730,032,242.94/28,450,890.20
  6. Step 6: Final answer
    x = 10,328,243.79

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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.