Home / 8,520,842.57-12,800,180.81-5,284,771.68

Finding the Fourth Proportional to 8,520,842.57, 12,800,180.81 and 5,284,771.68

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Solution

The fourth proportional to 8,520,842.57, 12,800,180.81 and 5,284,771.68 is: 7,938,890.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,520,842.57 : 12,800,180.81 = 5,284,771.68 : x
  2. Step 2: Convert to fraction form
    8,520,842.57/12,800,180.81 = 5,284,771.68/x
  3. Step 3: Cross multiply
    8,520,842.57x = 12,800,180.81 × 5,284,771.68
  4. Step 4: Simplify right side
    8,520,842.57x = 67,646,033,075,053.23
  5. Step 5: Solve for x
    x = 67,646,033,075,053.23/8,520,842.57
  6. Step 6: Final answer
    x = 7,938,890.14

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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.