Home / 19,785,185.60-29,679,782.88-6,829,647.68

Finding the Fourth Proportional to 19,785,185.60, 29,679,782.88 and 6,829,647.68

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Solution

The fourth proportional to 19,785,185.60, 29,679,782.88 and 6,829,647.68 is: 10,245,163.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,785,185.60 : 29,679,782.88 = 6,829,647.68 : x
  2. Step 2: Convert to fraction form
    19,785,185.60/29,679,782.88 = 6,829,647.68/x
  3. Step 3: Cross multiply
    19,785,185.60x = 29,679,782.88 × 6,829,647.68
  4. Step 4: Simplify right side
    19,785,185.60x = 202,702,460,289,295.69
  5. Step 5: Solve for x
    x = 202,702,460,289,295.69/19,785,185.60
  6. Step 6: Final answer
    x = 10,245,163.45

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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.