Home / 12,318,529.53-16,999,680.84-6,812,274.82

Finding the Fourth Proportional to 12,318,529.53, 16,999,680.84 and 6,812,274.82

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Solution

The fourth proportional to 12,318,529.53, 16,999,680.84 and 6,812,274.82 is: 9,401,000.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,318,529.53 : 16,999,680.84 = 6,812,274.82 : x
  2. Step 2: Convert to fraction form
    12,318,529.53/16,999,680.84 = 6,812,274.82/x
  3. Step 3: Cross multiply
    12,318,529.53x = 16,999,680.84 × 6,812,274.82
  4. Step 4: Simplify right side
    12,318,529.53x = 115,806,497,700,307.08
  5. Step 5: Solve for x
    x = 115,806,497,700,307.08/12,318,529.53
  6. Step 6: Final answer
    x = 9,401,000.13

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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.