Home / 14,088,694.80-21,133,042.20-5,112,080.40

Finding the Fourth Proportional to 14,088,694.80, 21,133,042.20 and 5,112,080.40

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Solution

The fourth proportional to 14,088,694.80, 21,133,042.20 and 5,112,080.40 is: 7,668,120.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,088,694.80 : 21,133,042.20 = 5,112,080.40 : x
  2. Step 2: Convert to fraction form
    14,088,694.80/21,133,042.20 = 5,112,080.40/x
  3. Step 3: Cross multiply
    14,088,694.80x = 21,133,042.20 × 5,112,080.40
  4. Step 4: Simplify right side
    14,088,694.80x = 108,033,810,822,992.89
  5. Step 5: Solve for x
    x = 108,033,810,822,992.89/14,088,694.80
  6. Step 6: Final answer
    x = 7,668,120.60

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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.