Home / 18,386,042.20-27,579,063.30-4,922,870.20

Finding the Fourth Proportional to 18,386,042.20, 27,579,063.30 and 4,922,870.20

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Solution

The fourth proportional to 18,386,042.20, 27,579,063.30 and 4,922,870.20 is: 7,384,305.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,386,042.20 : 27,579,063.30 = 4,922,870.20 : x
  2. Step 2: Convert to fraction form
    18,386,042.20/27,579,063.30 = 4,922,870.20/x
  3. Step 3: Cross multiply
    18,386,042.20x = 27,579,063.30 × 4,922,870.20
  4. Step 4: Simplify right side
    18,386,042.20x = 135,768,148,863,483.67
  5. Step 5: Solve for x
    x = 135,768,148,863,483.67/18,386,042.20
  6. Step 6: Final answer
    x = 7,384,305.30

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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.