Home / 8,972,628.30-13,458,942.45-5,193,492.30

Finding the Fourth Proportional to 8,972,628.30, 13,458,942.45 and 5,193,492.30

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Solution

The fourth proportional to 8,972,628.30, 13,458,942.45 and 5,193,492.30 is: 7,790,238.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,972,628.30 : 13,458,942.45 = 5,193,492.30 : x
  2. Step 2: Convert to fraction form
    8,972,628.30/13,458,942.45 = 5,193,492.30/x
  3. Step 3: Cross multiply
    8,972,628.30x = 13,458,942.45 × 5,193,492.30
  4. Step 4: Simplify right side
    8,972,628.30x = 69,898,913,980,218.12
  5. Step 5: Solve for x
    x = 69,898,913,980,218.12/8,972,628.30
  6. Step 6: Final answer
    x = 7,790,238.45

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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.