Home / 5,213,769.12-7,193,650.50-3,147,151.32

Finding the Fourth Proportional to 5,213,769.12, 7,193,650.50 and 3,147,151.32

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Solution

The fourth proportional to 5,213,769.12, 7,193,650.50 and 3,147,151.32 is: 4,342,253.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213,769.12 : 7,193,650.50 = 3,147,151.32 : x
  2. Step 2: Convert to fraction form
    5,213,769.12/7,193,650.50 = 3,147,151.32/x
  3. Step 3: Cross multiply
    5,213,769.12x = 7,193,650.50 × 3,147,151.32
  4. Step 4: Simplify right side
    5,213,769.12x = 22,639,506,666,693.66
  5. Step 5: Solve for x
    x = 22,639,506,666,693.66/5,213,769.12
  6. Step 6: Final answer
    x = 4,342,253.40

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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.