Home / 18,527,528.90-27,792,382-7,168,037.06

Finding the Fourth Proportional to 18,527,528.90, 27,792,382 and 7,168,037.06

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Solution

The fourth proportional to 18,527,528.90, 27,792,382 and 7,168,037.06 is: 10,752,476.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,527,528.90 : 27,792,382 = 7,168,037.06 : x
  2. Step 2: Convert to fraction form
    18,527,528.90/27,792,382 = 7,168,037.06/x
  3. Step 3: Cross multiply
    18,527,528.90x = 27,792,382 × 7,168,037.06
  4. Step 4: Simplify right side
    18,527,528.90x = 199,216,824,161,676.91
  5. Step 5: Solve for x
    x = 199,216,824,161,676.91/18,527,528.90
  6. Step 6: Final answer
    x = 10,752,476.77

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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.