Home / 8,139,463.68-12,190,477.20-4,537,256.40

Finding the Fourth Proportional to 8,139,463.68, 12,190,477.20 and 4,537,256.40

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Solution

The fourth proportional to 8,139,463.68, 12,190,477.20 and 4,537,256.40 is: 6,795,450.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,139,463.68 : 12,190,477.20 = 4,537,256.40 : x
  2. Step 2: Convert to fraction form
    8,139,463.68/12,190,477.20 = 4,537,256.40/x
  3. Step 3: Cross multiply
    8,139,463.68x = 12,190,477.20 × 4,537,256.40
  4. Step 4: Simplify right side
    8,139,463.68x = 55,311,320,694,754.08
  5. Step 5: Solve for x
    x = 55,311,320,694,754.08/8,139,463.68
  6. Step 6: Final answer
    x = 6,795,450.27

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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.