Home / 18,713,095.20-28,085,389.20-7,361,690.40

Finding the Fourth Proportional to 18,713,095.20, 28,085,389.20 and 7,361,690.40

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Solution

The fourth proportional to 18,713,095.20, 28,085,389.20 and 7,361,690.40 is: 11,048,730.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,713,095.20 : 28,085,389.20 = 7,361,690.40 : x
  2. Step 2: Convert to fraction form
    18,713,095.20/28,085,389.20 = 7,361,690.40/x
  3. Step 3: Cross multiply
    18,713,095.20x = 28,085,389.20 × 7,361,690.40
  4. Step 4: Simplify right side
    18,713,095.20x = 206,755,940,053,903.69
  5. Step 5: Solve for x
    x = 206,755,940,053,903.69/18,713,095.20
  6. Step 6: Final answer
    x = 11,048,730.20

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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.