Home / 18,888,064.60-28,388,084.10-16,424,627.80

Finding the Fourth Proportional to 18,888,064.60, 28,388,084.10 and 16,424,627.80

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Solution

The fourth proportional to 18,888,064.60, 28,388,084.10 and 16,424,627.80 is: 24,685,626.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,888,064.60 : 28,388,084.10 = 16,424,627.80 : x
  2. Step 2: Convert to fraction form
    18,888,064.60/28,388,084.10 = 16,424,627.80/x
  3. Step 3: Cross multiply
    18,888,064.60x = 28,388,084.10 × 16,424,627.80
  4. Step 4: Simplify right side
    18,888,064.60x = 466,263,715,297,598
  5. Step 5: Solve for x
    x = 466,263,715,297,598/18,888,064.60
  6. Step 6: Final answer
    x = 24,685,626.89

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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.