Home / 5,347,628.16-7,379,263.80-3,142,257.36

Finding the Fourth Proportional to 5,347,628.16, 7,379,263.80 and 3,142,257.36

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Solution

The fourth proportional to 5,347,628.16, 7,379,263.80 and 3,142,257.36 is: 4,336,043.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,347,628.16 : 7,379,263.80 = 3,142,257.36 : x
  2. Step 2: Convert to fraction form
    5,347,628.16/7,379,263.80 = 3,142,257.36/x
  3. Step 3: Cross multiply
    5,347,628.16x = 7,379,263.80 × 3,142,257.36
  4. Step 4: Simplify right side
    5,347,628.16x = 23,187,545,986,931.57
  5. Step 5: Solve for x
    x = 23,187,545,986,931.57/5,347,628.16
  6. Step 6: Final answer
    x = 4,336,043.06

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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.