Home / 12,456,095.70-18,684,143.55-3,939,042.90

Finding the Fourth Proportional to 12,456,095.70, 18,684,143.55 and 3,939,042.90

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Solution

The fourth proportional to 12,456,095.70, 18,684,143.55 and 3,939,042.90 is: 5,908,564.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,456,095.70 : 18,684,143.55 = 3,939,042.90 : x
  2. Step 2: Convert to fraction form
    12,456,095.70/18,684,143.55 = 3,939,042.90/x
  3. Step 3: Cross multiply
    12,456,095.70x = 18,684,143.55 × 3,939,042.90
  4. Step 4: Simplify right side
    12,456,095.70x = 73,597,642,993,208.30
  5. Step 5: Solve for x
    x = 73,597,642,993,208.30/12,456,095.70
  6. Step 6: Final answer
    x = 5,908,564.35

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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.