Home / 19,008,007.20-28,512,010.80-16,917,818.40

Finding the Fourth Proportional to 19,008,007.20, 28,512,010.80 and 16,917,818.40

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Solution

The fourth proportional to 19,008,007.20, 28,512,010.80 and 16,917,818.40 is: 25,376,727.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,008,007.20 : 28,512,010.80 = 16,917,818.40 : x
  2. Step 2: Convert to fraction form
    19,008,007.20/28,512,010.80 = 16,917,818.40/x
  3. Step 3: Cross multiply
    19,008,007.20x = 28,512,010.80 × 16,917,818.40
  4. Step 4: Simplify right side
    19,008,007.20x = 482,361,020,933,238.69
  5. Step 5: Solve for x
    x = 482,361,020,933,238.69/19,008,007.20
  6. Step 6: Final answer
    x = 25,376,727.60

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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.