Home / 12,318,569.30-16,999,735.68-6,812,314.75

Finding the Fourth Proportional to 12,318,569.30, 16,999,735.68 and 6,812,314.75

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Solution

The fourth proportional to 12,318,569.30, 16,999,735.68 and 6,812,314.75 is: 9,401,055.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,318,569.30 : 16,999,735.68 = 6,812,314.75 : x
  2. Step 2: Convert to fraction form
    12,318,569.30/16,999,735.68 = 6,812,314.75/x
  3. Step 3: Cross multiply
    12,318,569.30x = 16,999,735.68 × 6,812,314.75
  4. Step 4: Simplify right side
    12,318,569.30x = 115,807,550,140,214.94
  5. Step 5: Solve for x
    x = 115,807,550,140,214.94/12,318,569.30
  6. Step 6: Final answer
    x = 9,401,055.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.