Home / 10,369,912.70-15,554,869.05-8,205,074.30

Finding the Fourth Proportional to 10,369,912.70, 15,554,869.05 and 8,205,074.30

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Solution

The fourth proportional to 10,369,912.70, 15,554,869.05 and 8,205,074.30 is: 12,307,611.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,369,912.70 : 15,554,869.05 = 8,205,074.30 : x
  2. Step 2: Convert to fraction form
    10,369,912.70/15,554,869.05 = 8,205,074.30/x
  3. Step 3: Cross multiply
    10,369,912.70x = 15,554,869.05 × 8,205,074.30
  4. Step 4: Simplify right side
    10,369,912.70x = 127,628,856,282,020.42
  5. Step 5: Solve for x
    x = 127,628,856,282,020.42/10,369,912.70
  6. Step 6: Final answer
    x = 12,307,611.45

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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.