Home / 7,629,020.64-10,528,004.40-4,191,187.68

Finding the Fourth Proportional to 7,629,020.64, 10,528,004.40 and 4,191,187.68

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Solution

The fourth proportional to 7,629,020.64, 10,528,004.40 and 4,191,187.68 is: 5,783,814.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,629,020.64 : 10,528,004.40 = 4,191,187.68 : x
  2. Step 2: Convert to fraction form
    7,629,020.64/10,528,004.40 = 4,191,187.68/x
  3. Step 3: Cross multiply
    7,629,020.64x = 10,528,004.40 × 4,191,187.68
  4. Step 4: Simplify right side
    7,629,020.64x = 44,124,842,336,265.80
  5. Step 5: Solve for x
    x = 44,124,842,336,265.80/7,629,020.64
  6. Step 6: Final answer
    x = 5,783,814.78

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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.