Home / 17,966,465.80-26,949,698.70-5,187,387.40

Finding the Fourth Proportional to 17,966,465.80, 26,949,698.70 and 5,187,387.40

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Solution

The fourth proportional to 17,966,465.80, 26,949,698.70 and 5,187,387.40 is: 7,781,081.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,966,465.80 : 26,949,698.70 = 5,187,387.40 : x
  2. Step 2: Convert to fraction form
    17,966,465.80/26,949,698.70 = 5,187,387.40/x
  3. Step 3: Cross multiply
    17,966,465.80x = 26,949,698.70 × 5,187,387.40
  4. Step 4: Simplify right side
    17,966,465.80x = 139,798,527,470,176.39
  5. Step 5: Solve for x
    x = 139,798,527,470,176.39/17,966,465.80
  6. Step 6: Final answer
    x = 7,781,081.10

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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.