Home / 18,746,170.70-28,118,993.58-7,386,717.74

Finding the Fourth Proportional to 18,746,170.70, 28,118,993.58 and 7,386,717.74

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Solution

The fourth proportional to 18,746,170.70, 28,118,993.58 and 7,386,717.74 is: 11,079,973.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,746,170.70 : 28,118,993.58 = 7,386,717.74 : x
  2. Step 2: Convert to fraction form
    18,746,170.70/28,118,993.58 = 7,386,717.74/x
  3. Step 3: Cross multiply
    18,746,170.70x = 28,118,993.58 × 7,386,717.74
  4. Step 4: Simplify right side
    18,746,170.70x = 207,707,068,708,332.09
  5. Step 5: Solve for x
    x = 207,707,068,708,332.09/18,746,170.70
  6. Step 6: Final answer
    x = 11,079,973.19

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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.