Home / 28,740,352.76-39,655,766.16-16,514,847.80

Finding the Fourth Proportional to 28,740,352.76, 39,655,766.16 and 16,514,847.80

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Solution

The fourth proportional to 28,740,352.76, 39,655,766.16 and 16,514,847.80 is: 22,787,087.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,740,352.76 : 39,655,766.16 = 16,514,847.80 : x
  2. Step 2: Convert to fraction form
    28,740,352.76/39,655,766.16 = 16,514,847.80/x
  3. Step 3: Cross multiply
    28,740,352.76x = 39,655,766.16 × 16,514,847.80
  4. Step 4: Simplify right side
    28,740,352.76x = 654,908,942,623,929.88
  5. Step 5: Solve for x
    x = 654,908,942,623,929.88/28,740,352.76
  6. Step 6: Final answer
    x = 22,787,087.83

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1.5x scale

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.