Home / 28,992,380.76-39,976,614.54-18,524,567.52

Finding the Fourth Proportional to 28,992,380.76, 39,976,614.54 and 18,524,567.52

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Solution

The fourth proportional to 28,992,380.76, 39,976,614.54 and 18,524,567.52 is: 25,542,900.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,992,380.76 : 39,976,614.54 = 18,524,567.52 : x
  2. Step 2: Convert to fraction form
    28,992,380.76/39,976,614.54 = 18,524,567.52/x
  3. Step 3: Cross multiply
    28,992,380.76x = 39,976,614.54 × 18,524,567.52
  4. Step 4: Simplify right side
    28,992,380.76x = 740,549,495,267,243.75
  5. Step 5: Solve for x
    x = 740,549,495,267,243.75/28,992,380.76
  6. Step 6: Final answer
    x = 25,542,900.44

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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.