Home / 28,539,126.78-39,390,992.19-17,528,514.90

Finding the Fourth Proportional to 28,539,126.78, 39,390,992.19 and 17,528,514.90

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Solution

The fourth proportional to 28,539,126.78, 39,390,992.19 and 17,528,514.90 is: 24,193,648.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,539,126.78 : 39,390,992.19 = 17,528,514.90 : x
  2. Step 2: Convert to fraction form
    28,539,126.78/39,390,992.19 = 17,528,514.90/x
  3. Step 3: Cross multiply
    28,539,126.78x = 39,390,992.19 × 17,528,514.90
  4. Step 4: Simplify right side
    28,539,126.78x = 690,465,593,528,198.50
  5. Step 5: Solve for x
    x = 690,465,593,528,198.50/28,539,126.78
  6. Step 6: Final answer
    x = 24,193,648.21

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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.