Home / 7,063,391.30-9,745,018.83-4,450,128.80

Finding the Fourth Proportional to 7,063,391.30, 9,745,018.83 and 4,450,128.80

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Solution

The fourth proportional to 7,063,391.30, 9,745,018.83 and 4,450,128.80 is: 6,139,627.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,063,391.30 : 9,745,018.83 = 4,450,128.80 : x
  2. Step 2: Convert to fraction form
    7,063,391.30/9,745,018.83 = 4,450,128.80/x
  3. Step 3: Cross multiply
    7,063,391.30x = 9,745,018.83 × 4,450,128.80
  4. Step 4: Simplify right side
    7,063,391.30x = 43,366,588,921,472.12
  5. Step 5: Solve for x
    x = 43,366,588,921,472.12/7,063,391.30
  6. Step 6: Final answer
    x = 6,139,627.14

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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.