Home / 12,470,403.20-18,706,123.20-3,950,551.04

Finding the Fourth Proportional to 12,470,403.20, 18,706,123.20 and 3,950,551.04

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Solution

The fourth proportional to 12,470,403.20, 18,706,123.20 and 3,950,551.04 is: 5,925,990.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,470,403.20 : 18,706,123.20 = 3,950,551.04 : x
  2. Step 2: Convert to fraction form
    12,470,403.20/18,706,123.20 = 3,950,551.04/x
  3. Step 3: Cross multiply
    12,470,403.20x = 18,706,123.20 × 3,950,551.04
  4. Step 4: Simplify right side
    12,470,403.20x = 73,899,494,462,128.12
  5. Step 5: Solve for x
    x = 73,899,494,462,128.12/12,470,403.20
  6. Step 6: Final answer
    x = 5,925,990.79

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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.