Home / 14,388,078.60-21,550,625.10-12,498,510.60

Finding the Fourth Proportional to 14,388,078.60, 21,550,625.10 and 12,498,510.60

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Solution

The fourth proportional to 14,388,078.60, 21,550,625.10 and 12,498,510.60 is: 18,720,409.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,388,078.60 : 21,550,625.10 = 12,498,510.60 : x
  2. Step 2: Convert to fraction form
    14,388,078.60/21,550,625.10 = 12,498,510.60/x
  3. Step 3: Cross multiply
    14,388,078.60x = 21,550,625.10 × 12,498,510.60
  4. Step 4: Simplify right side
    14,388,078.60x = 269,350,716,248,976.06
  5. Step 5: Solve for x
    x = 269,350,716,248,976.06/14,388,078.60
  6. Step 6: Final answer
    x = 18,720,409.01

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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.