Home / 7,890,256.40-11,826,053.40-4,101,789.20

Finding the Fourth Proportional to 7,890,256.40, 11,826,053.40 and 4,101,789.20

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Solution

The fourth proportional to 7,890,256.40, 11,826,053.40 and 4,101,789.20 is: 6,147,832.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,890,256.40 : 11,826,053.40 = 4,101,789.20 : x
  2. Step 2: Convert to fraction form
    7,890,256.40/11,826,053.40 = 4,101,789.20/x
  3. Step 3: Cross multiply
    7,890,256.40x = 11,826,053.40 × 4,101,789.20
  4. Step 4: Simplify right side
    7,890,256.40x = 48,507,978,114,743.28
  5. Step 5: Solve for x
    x = 48,507,978,114,743.28/7,890,256.40
  6. Step 6: Final answer
    x = 6,147,832.93

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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.