Home / 6,639,904.95-9,162,944.40-4,061,396.31

Finding the Fourth Proportional to 6,639,904.95, 9,162,944.40 and 4,061,396.31

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Solution

The fourth proportional to 6,639,904.95, 9,162,944.40 and 4,061,396.31 is: 5,604,650.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,639,904.95 : 9,162,944.40 = 4,061,396.31 : x
  2. Step 2: Convert to fraction form
    6,639,904.95/9,162,944.40 = 4,061,396.31/x
  3. Step 3: Cross multiply
    6,639,904.95x = 9,162,944.40 × 4,061,396.31
  4. Step 4: Simplify right side
    6,639,904.95x = 37,214,348,574,895.16
  5. Step 5: Solve for x
    x = 37,214,348,574,895.16/6,639,904.95
  6. Step 6: Final answer
    x = 5,604,650.80

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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.