Home / 17,966,863.80-26,950,295.70-5,187,785.40

Finding the Fourth Proportional to 17,966,863.80, 26,950,295.70 and 5,187,785.40

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Solution

The fourth proportional to 17,966,863.80, 26,950,295.70 and 5,187,785.40 is: 7,781,678.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,966,863.80 : 26,950,295.70 = 5,187,785.40 : x
  2. Step 2: Convert to fraction form
    17,966,863.80/26,950,295.70 = 5,187,785.40/x
  3. Step 3: Cross multiply
    17,966,863.80x = 26,950,295.70 × 5,187,785.40
  4. Step 4: Simplify right side
    17,966,863.80x = 139,812,350,558,142.78
  5. Step 5: Solve for x
    x = 139,812,350,558,142.78/17,966,863.80
  6. Step 6: Final answer
    x = 7,781,678.10

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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.