Home / 19,086,775.20-28,630,162.80-16,996,586.40

Finding the Fourth Proportional to 19,086,775.20, 28,630,162.80 and 16,996,586.40

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Solution

The fourth proportional to 19,086,775.20, 28,630,162.80 and 16,996,586.40 is: 25,494,879.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,086,775.20 : 28,630,162.80 = 16,996,586.40 : x
  2. Step 2: Convert to fraction form
    19,086,775.20/28,630,162.80 = 16,996,586.40/x
  3. Step 3: Cross multiply
    19,086,775.20x = 28,630,162.80 × 16,996,586.40
  4. Step 4: Simplify right side
    19,086,775.20x = 486,615,035,676,265.88
  5. Step 5: Solve for x
    x = 486,615,035,676,265.88/19,086,775.20
  6. Step 6: Final answer
    x = 25,494,879.60

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1.5x scale

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.