Home / 6,821,538.87-9,412,830.26-4,068,549.40

Finding the Fourth Proportional to 6,821,538.87, 9,412,830.26 and 4,068,549.40

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Solution

The fourth proportional to 6,821,538.87, 9,412,830.26 and 4,068,549.40 is: 5,614,065.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,821,538.87 : 9,412,830.26 = 4,068,549.40 : x
  2. Step 2: Convert to fraction form
    6,821,538.87/9,412,830.26 = 4,068,549.40/x
  3. Step 3: Cross multiply
    6,821,538.87x = 9,412,830.26 × 4,068,549.40
  4. Step 4: Simplify right side
    6,821,538.87x = 38,296,564,862,750.02
  5. Step 5: Solve for x
    x = 38,296,564,862,750.02/6,821,538.87
  6. Step 6: Final answer
    x = 5,614,065.33

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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.