Home / 26,479,136.40-39,718,706.20-8,528,240.40

Finding the Fourth Proportional to 26,479,136.40, 39,718,706.20 and 8,528,240.40

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Solution

The fourth proportional to 26,479,136.40, 39,718,706.20 and 8,528,240.40 is: 12,792,361.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,479,136.40 : 39,718,706.20 = 8,528,240.40 : x
  2. Step 2: Convert to fraction form
    26,479,136.40/39,718,706.20 = 8,528,240.40/x
  3. Step 3: Cross multiply
    26,479,136.40x = 39,718,706.20 × 8,528,240.40
  4. Step 4: Simplify right side
    26,479,136.40x = 338,730,674,850,570.50
  5. Step 5: Solve for x
    x = 338,730,674,850,570.50/26,479,136.40
  6. Step 6: Final answer
    x = 12,792,361.12

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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.