Home / 16,863,985.20-25,292,191.86-7,757,336.64

Finding the Fourth Proportional to 16,863,985.20, 25,292,191.86 and 7,757,336.64

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Solution

The fourth proportional to 16,863,985.20, 25,292,191.86 and 7,757,336.64 is: 11,634,263.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,863,985.20 : 25,292,191.86 = 7,757,336.64 : x
  2. Step 2: Convert to fraction form
    16,863,985.20/25,292,191.86 = 7,757,336.64/x
  3. Step 3: Cross multiply
    16,863,985.20x = 25,292,191.86 × 7,757,336.64
  4. Step 4: Simplify right side
    16,863,985.20x = 196,200,046,621,487.75
  5. Step 5: Solve for x
    x = 196,200,046,621,487.75/16,863,985.20
  6. Step 6: Final answer
    x = 11,634,263.45

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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.