Home / 7,451,989.80-10,284,835.08-4,189,073.28

Finding the Fourth Proportional to 7,451,989.80, 10,284,835.08 and 4,189,073.28

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Solution

The fourth proportional to 7,451,989.80, 10,284,835.08 and 4,189,073.28 is: 5,781,533.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,451,989.80 : 10,284,835.08 = 4,189,073.28 : x
  2. Step 2: Convert to fraction form
    7,451,989.80/10,284,835.08 = 4,189,073.28/x
  3. Step 3: Cross multiply
    7,451,989.80x = 10,284,835.08 × 4,189,073.28
  4. Step 4: Simplify right side
    7,451,989.80x = 43,083,927,822,834.66
  5. Step 5: Solve for x
    x = 43,083,927,822,834.66/7,451,989.80
  6. Step 6: Final answer
    x = 5,781,533.39

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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.