Home / 10,728,029.20-16,092,043.80-10,653,379.60

Finding the Fourth Proportional to 10,728,029.20, 16,092,043.80 and 10,653,379.60

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Solution

The fourth proportional to 10,728,029.20, 16,092,043.80 and 10,653,379.60 is: 15,980,069.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,728,029.20 : 16,092,043.80 = 10,653,379.60 : x
  2. Step 2: Convert to fraction form
    10,728,029.20/16,092,043.80 = 10,653,379.60/x
  3. Step 3: Cross multiply
    10,728,029.20x = 16,092,043.80 × 10,653,379.60
  4. Step 4: Simplify right side
    10,728,029.20x = 171,434,651,141,226.47
  5. Step 5: Solve for x
    x = 171,434,651,141,226.47/10,728,029.20
  6. Step 6: Final answer
    x = 15,980,069.40

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1.5x scale

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.