Home / 14,079,817-19,430,147.46-7,641,289

Finding the Fourth Proportional to 14,079,817, 19,430,147.46 and 7,641,289

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Solution

The fourth proportional to 14,079,817, 19,430,147.46 and 7,641,289 is: 10,544,978.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,079,817 : 19,430,147.46 = 7,641,289 : x
  2. Step 2: Convert to fraction form
    14,079,817/19,430,147.46 = 7,641,289/x
  3. Step 3: Cross multiply
    14,079,817x = 19,430,147.46 × 7,641,289
  4. Step 4: Simplify right side
    14,079,817x = 148,471,372,054,475.94
  5. Step 5: Solve for x
    x = 148,471,372,054,475.94/14,079,817
  6. Step 6: Final answer
    x = 10,544,978.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.