Home / 6,398,317.80-9,578,814.30-5,726,471.40

Finding the Fourth Proportional to 6,398,317.80, 9,578,814.30 and 5,726,471.40

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Solution

The fourth proportional to 6,398,317.80, 9,578,814.30 and 5,726,471.40 is: 8,573,004.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,398,317.80 : 9,578,814.30 = 5,726,471.40 : x
  2. Step 2: Convert to fraction form
    6,398,317.80/9,578,814.30 = 5,726,471.40/x
  3. Step 3: Cross multiply
    6,398,317.80x = 9,578,814.30 × 5,726,471.40
  4. Step 4: Simplify right side
    6,398,317.80x = 54,852,806,134,861.03
  5. Step 5: Solve for x
    x = 54,852,806,134,861.03/6,398,317.80
  6. Step 6: Final answer
    x = 8,573,004.32

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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.