Home / 12,528,085.05-18,792,127.58-8,701,709.85

Finding the Fourth Proportional to 12,528,085.05, 18,792,127.58 and 8,701,709.85

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Solution

The fourth proportional to 12,528,085.05, 18,792,127.58 and 8,701,709.85 is: 13,052,564.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,528,085.05 : 18,792,127.58 = 8,701,709.85 : x
  2. Step 2: Convert to fraction form
    12,528,085.05/18,792,127.58 = 8,701,709.85/x
  3. Step 3: Cross multiply
    12,528,085.05x = 18,792,127.58 × 8,701,709.85
  4. Step 4: Simplify right side
    12,528,085.05x = 163,523,641,621,834.09
  5. Step 5: Solve for x
    x = 163,523,641,621,834.09/12,528,085.05
  6. Step 6: Final answer
    x = 13,052,564.78

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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.