Home / 13,053,434.46-18,012,682.17-7,547,162.94

Finding the Fourth Proportional to 13,053,434.46, 18,012,682.17 and 7,547,162.94

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Solution

The fourth proportional to 13,053,434.46, 18,012,682.17 and 7,547,162.94 is: 10,414,473.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,053,434.46 : 18,012,682.17 = 7,547,162.94 : x
  2. Step 2: Convert to fraction form
    13,053,434.46/18,012,682.17 = 7,547,162.94/x
  3. Step 3: Cross multiply
    13,053,434.46x = 18,012,682.17 × 7,547,162.94
  4. Step 4: Simplify right side
    13,053,434.46x = 135,944,647,323,422.80
  5. Step 5: Solve for x
    x = 135,944,647,323,422.80/13,053,434.46
  6. Step 6: Final answer
    x = 10,414,473.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.