Home / 14,257,960.80-21,371,194.80-7,872,795.60

Finding the Fourth Proportional to 14,257,960.80, 21,371,194.80 and 7,872,795.60

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Solution

The fourth proportional to 14,257,960.80, 21,371,194.80 and 7,872,795.60 is: 11,800,498.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,257,960.80 : 21,371,194.80 = 7,872,795.60 : x
  2. Step 2: Convert to fraction form
    14,257,960.80/21,371,194.80 = 7,872,795.60/x
  3. Step 3: Cross multiply
    14,257,960.80x = 21,371,194.80 × 7,872,795.60
  4. Step 4: Simplify right side
    14,257,960.80x = 168,251,048,388,182.88
  5. Step 5: Solve for x
    x = 168,251,048,388,182.88/14,257,960.80
  6. Step 6: Final answer
    x = 11,800,498.74

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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.