Home / 10,890,731.80-16,336,097.70-2,912,555.80

Finding the Fourth Proportional to 10,890,731.80, 16,336,097.70 and 2,912,555.80

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Solution

The fourth proportional to 10,890,731.80, 16,336,097.70 and 2,912,555.80 is: 4,368,833.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,890,731.80 : 16,336,097.70 = 2,912,555.80 : x
  2. Step 2: Convert to fraction form
    10,890,731.80/16,336,097.70 = 2,912,555.80/x
  3. Step 3: Cross multiply
    10,890,731.80x = 16,336,097.70 × 2,912,555.80
  4. Step 4: Simplify right side
    10,890,731.80x = 47,579,796,105,501.66
  5. Step 5: Solve for x
    x = 47,579,796,105,501.66/10,890,731.80
  6. Step 6: Final answer
    x = 4,368,833.70

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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.