Home / 28,500,980.87-39,335,556.08-18,047,951.60

Finding the Fourth Proportional to 28,500,980.87, 39,335,556.08 and 18,047,951.60

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Solution

The fourth proportional to 28,500,980.87, 39,335,556.08 and 18,047,951.60 is: 24,908,834.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,500,980.87 : 39,335,556.08 = 18,047,951.60 : x
  2. Step 2: Convert to fraction form
    28,500,980.87/39,335,556.08 = 18,047,951.60/x
  3. Step 3: Cross multiply
    28,500,980.87x = 39,335,556.08 × 18,047,951.60
  4. Step 4: Simplify right side
    28,500,980.87x = 709,926,212,139,367.88
  5. Step 5: Solve for x
    x = 709,926,212,139,367.88/28,500,980.87
  6. Step 6: Final answer
    x = 24,908,834.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.