Home / 14,701,405.62-20,308,685.93-11,780,625.24

Finding the Fourth Proportional to 14,701,405.62, 20,308,685.93 and 11,780,625.24

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Solution

The fourth proportional to 14,701,405.62, 20,308,685.93 and 11,780,625.24 is: 16,273,887.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,701,405.62 : 20,308,685.93 = 11,780,625.24 : x
  2. Step 2: Convert to fraction form
    14,701,405.62/20,308,685.93 = 11,780,625.24/x
  3. Step 3: Cross multiply
    14,701,405.62x = 20,308,685.93 × 11,780,625.24
  4. Step 4: Simplify right side
    14,701,405.62x = 239,249,017,999,287.75
  5. Step 5: Solve for x
    x = 239,249,017,999,287.75/14,701,405.62
  6. Step 6: Final answer
    x = 16,273,887.29

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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.