Home / 8,309,828.70-12,457,744.65-4,320,740.70

Finding the Fourth Proportional to 8,309,828.70, 12,457,744.65 and 4,320,740.70

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Solution

The fourth proportional to 8,309,828.70, 12,457,744.65 and 4,320,740.70 is: 6,477,472.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,309,828.70 : 12,457,744.65 = 4,320,740.70 : x
  2. Step 2: Convert to fraction form
    8,309,828.70/12,457,744.65 = 4,320,740.70/x
  3. Step 3: Cross multiply
    8,309,828.70x = 12,457,744.65 × 4,320,740.70
  4. Step 4: Simplify right side
    8,309,828.70x = 53,826,684,339,462.26
  5. Step 5: Solve for x
    x = 53,826,684,339,462.26/8,309,828.70
  6. Step 6: Final answer
    x = 6,477,472.19

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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.