Home / 18,686,532.60-28,020,467.70-8,577,732.60

Finding the Fourth Proportional to 18,686,532.60, 28,020,467.70 and 8,577,732.60

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Solution

The fourth proportional to 18,686,532.60, 28,020,467.70 and 8,577,732.60 is: 12,862,315.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,686,532.60 : 28,020,467.70 = 8,577,732.60 : x
  2. Step 2: Convert to fraction form
    18,686,532.60/28,020,467.70 = 8,577,732.60/x
  3. Step 3: Cross multiply
    18,686,532.60x = 28,020,467.70 × 8,577,732.60
  4. Step 4: Simplify right side
    18,686,532.60x = 240,352,079,257,537
  5. Step 5: Solve for x
    x = 240,352,079,257,537/18,686,532.60
  6. Step 6: Final answer
    x = 12,862,315.57

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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.