Home / 19,072,095.20-28,608,142.80-16,981,906.40

Finding the Fourth Proportional to 19,072,095.20, 28,608,142.80 and 16,981,906.40

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Solution

The fourth proportional to 19,072,095.20, 28,608,142.80 and 16,981,906.40 is: 25,472,859.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,072,095.20 : 28,608,142.80 = 16,981,906.40 : x
  2. Step 2: Convert to fraction form
    19,072,095.20/28,608,142.80 = 16,981,906.40/x
  3. Step 3: Cross multiply
    19,072,095.20x = 28,608,142.80 × 16,981,906.40
  4. Step 4: Simplify right side
    19,072,095.20x = 485,820,803,307,433.88
  5. Step 5: Solve for x
    x = 485,820,803,307,433.88/19,072,095.20
  6. Step 6: Final answer
    x = 25,472,859.60

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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.